Book Design: The Complete Guide to Designing a Professional Book - Authorio Blog

A reader picks up your book. Before they read a single word, they've already decided something. The cover told them if it's professional or amateur. The interior confirmed it the second they opened to the first page. That whole judgment? Under three seconds.

Book design is what separates a real book from something that looks like it was made in a hurry. It's the cover, the interior layout, the fonts — all working together. When it's done right, nobody notices. When it's done wrong, that's all they notice.

So let's get into it. Covers, interiors, typography, tools, costs — the whole thing.

What Book Design Actually Encompasses

Most authors think book design means "getting a nice cover." That's about a third of it. Real book design breaks into three parts:

Cover design — the thing that sells the book
Interior layout — how content sits on the page
Typography — the fonts and spacing that make it readable

These three have to work together. A great cover with a badly formatted interior feels off. The reader expected quality and got something that looks like a Word doc. Same problem in reverse — gorgeous interiors behind a clip-art cover.

What ties it all together is consistency. Every visual choice should feel like it belongs to the same book. That's what readers read as "professional."

Let's break each one down.

Pillar 1: Cover Design

Your cover is doing three jobs at once — billboard, brand, and sales pitch, all in a single image. Online, it's a tiny thumbnail fighting for attention against thousands of others. In a bookstore, a browser gives it maybe 1.5 seconds before moving on.

Laptop screen showing book cover design software with multiple cover variations

A good cover isn't about looking pretty. It's about communicating genre, tone, and quality at a glance.

Elements of an Effective Cover

Every strong cover juggles four things at once:

Title hierarchy. The title is always the biggest text on the front. Subtitle goes below it, smaller but still readable at thumbnail size. Author name placement depends on recognition — debut authors go small at the bottom. Bestselling authors can be as big as the title because their name is what sells.

Imagery and composition. The main image tells the reader what kind of book this is before they read anything. A silhouette against a moody skyline says "thriller." Watercolor florals say "women's fiction." A clean geometric layout says "business." The eye should move from the strongest visual to the title to the author name, in that order.

Color psychology. Dark backgrounds with metallic accents say "premium non-fiction." Bright, saturated palettes say "commercial fiction." Pastels say "romance." Black and red say "thriller." These aren't random — readers have been trained by thousands of covers to decode them instantly.

Typography as design. On a cover, type isn't just for reading. It's a visual element. A serif font in small caps says "literary." A bold condensed sans-serif says "action." Hand-lettered script says "personal" or "whimsical." The font, weight, spacing, and color carry as much information as the imagery.

Cover Dimensions by Format

Different formats need different specs. Get these wrong and your cover gets rejected or looks distorted.

Print covers (KDP/IngramSpark):

Front cover: varies by trim size, but the standard 6" x 9" trim yields a front cover of 6.125" x 9.25" (with 0.125" bleed on each edge)
Spine width: calculated based on page count and paper type (white paper = 0.002252" per page; cream paper = 0.0025" per page)
Full wrap: front + spine + back, as a single file, typically 300 DPI, CMYK color space, PDF format

Ebook covers:

Amazon Kindle: 2,560 x 1,600 pixels (1.6:1 ratio) recommended; minimum 1,000 x 625 pixels
Apple Books: 1,600 x 2,400 pixels minimum
General EPUB: 1,600 x 2,400 pixels at 72 DPI, RGB, JPEG or PNG

Audiobook covers:

ACX/Audible: 2,400 x 2,400 pixels (square format), minimum 72 DPI, JPEG or PNG

For more on Amazon's exact requirements, see our Kindle book cover size breakdown and the KDP cover template guide for working with their downloadable templates.

Front Cover, Spine, and Back Cover

A print cover is actually three surfaces that need to work as one design:

Front cover does the selling. It has to work full-size (bookstore shelf) and tiny (online thumbnail). Test your design at 1-inch width on screen. If the title is unreadable or the imagery turns into a blob, go back to the drawing board.

Spine is the surface people see most. On a bookshelf, it's the only thing visible. It needs the title, author name, and publisher logo, reading top-to-bottom. Books under 100 pages might have spines too narrow for text — check your printer's specs. Use a slightly heavier font weight than you think you need. Narrow spines compress type visually.

Back cover closes the deal for physical books. Standard anatomy: a solid blurb (150-200 words), one or two endorsement quotes if you have them, an author photo with a short bio, the barcode (lower-right corner, at least 0.25" clearance on all sides), and category/price info. Use the same visual language as the front — same colors, same font family — but keep it cleaner and more text-focused.

Genre-Specific Cover Conventions

Readers know their genres visually. They've seen thousands of covers and they expect certain cues. Breaking those conventions isn't creative — it's confusing. And confused people don't buy.

Romance: Warm tones (pinks, reds, golds). Illustrated or photographic couples. Script or decorative serif fonts. Contemporary romance leans illustrated; dark romance uses moody, high-contrast photography.

Business and self-help: Clean, minimal. Bold sans-serif type. Single-color backgrounds or simple geometric accents. The title does almost all the heavy lifting — it has to read at tiny sizes. Think James Clear or Cal Newport covers.

Memoir: Personal and intimate. Often a single evocative photograph or textural background. Elegant serifs or understated sans-serifs. Muted, emotional color palettes.

Sci-fi and fantasy: Rich, detailed artwork. Epic landscapes, cosmic imagery, character illustrations. Custom or heavily stylized fonts. Sci-fi goes sleek and futuristic; fantasy goes ornate and atmospheric.

Thriller and mystery: High contrast. Dark backgrounds. Red as the signature accent. Bold, angular type. Silhouettes, isolated objects (a key, a gun, a door), or fragmented faces. The best thriller covers create unease through composition alone.

Literary fiction: Minimal but artful. Abstract imagery or fine-art photography. Refined serif typography. These covers signal "serious writing" over commercial punch.

Pillar 2: Interior Layout (Book Page Design)

The cover sells the book. The interior determines whether the reader finishes it. Interior design is the system that organizes text and visuals on every page.

Open paperback book showing professionally typeset interior pages on a clean desk

Bad interior design creates friction everywhere. Margins too narrow and the reader's thumbs cover the text. Line spacing too tight and every page becomes a wall of gray. Missing page numbers make the book feel unfinished. Good interior design removes all that friction so the reader just... reads.

Page Layout Fundamentals

Margins are the single most important interior design choice. They control the white space around your text and how comfortable the book feels to hold. For a 6" x 9" trim, here's what works:

Outside margin: 0.75" (gives the thumb room)
Top margin: 0.75"
Bottom margin: 0.875" (a bit larger than top, which creates a nice visual lift)
Inside margin (gutter): 0.875" minimum for perfect-bound books under 300 pages; 1" or more for thicker books

The gutter is where most amateur designs fail. Make it too small and text disappears into the binding. Thicker books need more gutter space because the pages curve more sharply toward the spine.

Text block is the rectangle where body text lives. It should sit slightly above center on the page, with more space at the bottom than the top. Book designers have used this proportion since the Renaissance. It just works.

Running headers and footers help readers navigate. Fiction usually puts the author name on the left page and book title on the right. Non-fiction often puts the book title on the left and chapter title on the right. Set these smaller than body text, often in small caps or italics.

Page numbers (folios) go in the outside corners of the footer or centered at the bottom. They should match your header font. Front matter uses lowercase Roman numerals (i, ii, iii). Body text uses Arabic numerals starting at 1.

For a full walkthrough of page structure, our book layout guide covers every measurement in detail.

Front Matter

Front matter is everything before your main content. It sets the book's professional tone. Here's the standard order:

Half-title page — just the title. No subtitle, no author name. The simplest page in the book.
Also by page (optional) — lists your other works.
Title page — full title, subtitle, author name, publisher. The book's formal identity page.
Copyright page — copyright notice, ISBN, edition info, printer, rights, disclaimers. Always on the left-hand (verso) side.
Dedication (optional) — usually a single line or short paragraph, centered on the page.
Epigraph (optional) — a quote that sets the tone.
Table of contents — chapter titles and page numbers. Fiction often skips this or keeps it minimal. Non-fiction needs it.
Foreword (optional) — written by someone else.
Preface (optional) — written by you.
Acknowledgments (optional) — can also go in the back matter.

Not every book needs all of these. A novel might only have a half-title, title page, copyright page, and dedication. A big non-fiction reference might use all ten.

Chapter Openers

Chapter openers are where interior design gets to show some personality. They signal "something new starts here" and give the reader a mental breather.

Here's what goes into them:

Chapter drop (top margin). Chapter text usually starts a third to halfway down the page, leaving white space above. This signals a new chapter immediately, even when someone's flipping pages fast.

Chapter numbers and titles. Bigger and bolder than body text. Non-fiction books with descriptive titles benefit from a clear hierarchy: chapter number (smaller, maybe a different weight) above the chapter title (larger, bolder).

Drop caps. An oversized first letter spanning 2-4 lines of text. It's a classic touch borrowed from illuminated manuscripts. Works beautifully in fiction and literary non-fiction. Can feel heavy in business or technical books.

Ornaments and dividers. A simple rule, a fleuron, a small illustration between the heading and body text. These add personality. A thriller might use a stark horizontal line. A fantasy novel might use an ornamental dingbat. A business book might skip them entirely.

Scene breaks within chapters. When a chapter has section breaks (common in fiction), mark them with a blank line plus a centered ornament, three asterisks (* * *), or a small graphic. Don't rely on a blank line alone — it disappears at the top or bottom of a page.

Back Matter

Back matter comes after the final chapter. Common elements:

Epilogue or afterword — final narrative content
Appendices — supplementary material (charts, data, resources)
Notes or endnotes — source references by chapter
Bibliography — works cited or recommended reading
Glossary — definitions of specialized terms
Index — alphabetical topic reference with page numbers (mainly for non-fiction)
About the author — a short bio, often with a photo
Also by the author — can go in front or back matter
Preview of next book — common in series fiction, with the first chapter as a teaser

Back matter is also a great spot for reader engagement. Ask them to sign up for your newsletter, leave a review, or visit your website. They just finished your book — this is when they feel most connected to you.

For standards on preparing your manuscript file before design, read our book manuscript format guide.

Pillar 3: Typography

Typography is how you set type so that written language is readable, legible, and pleasant to look at. In books, it's not decoration. It's the medium that delivers every word you wrote.

Several printed pages spread out showing different typefaces and font samples

Bad typography wears readers out. Their eyes get tired. They lose their place. They put the book down and don't know why. Good typography is invisible — the reader flows through page after page without once thinking about the font.

Font Selection for Readability

Body text in print books should use a serif font. Serifs — those small strokes at the ends of letters — guide the eye along the line and improve reading speed on paper. The workhorses:

Garamond — elegant, space-efficient, great for fiction and literary non-fiction
Caslon — warm and readable, a classic for general trade publishing
Palatino — slightly wider, strong at smaller sizes, good for academic or reference work
Baskerville — refined, high-contrast, great for literary and upscale non-fiction
Minion Pro — modern but traditional-feeling, very versatile
Sabon — clean and consistent, a favorite among professional book designers

Avoid for body text: Decorative fonts, display fonts, sans-serifs (in print), and anything that draws attention to itself. Times New Roman is technically a serif, but it was designed for newspaper columns. It looks cramped in book interiors.

Ebook body text is more flexible. Backlit screens work fine with clean sans-serifs like Kindle's default Bookerly or Literata. But readers usually pick their own font on their device, so your body font choice matters less for ebooks.

Heading fonts can bring more personality. A sans-serif heading with a serif body is a classic combo that creates hierarchy without clashing. Make sure your heading font comes in enough weights (regular, bold, maybe light or semibold) to handle chapter titles, section headings, and sub-headings.

For more on type in books, our book typesetting guide covers font pairing, optical margins, and advanced refinements.

Heading Hierarchy

A clear heading hierarchy tells readers where they are in the book at any moment. Standard setup for non-fiction:

H1 — Chapter title: The biggest, boldest text on any interior page. Usually 18-24pt.
H2 — Section heading: Major divisions within a chapter. 14-16pt, bold or semibold.
H3 — Subsection heading: Divisions within a section. 12-13pt, bold or italic.
H4 — Minor heading: Rarely needed. Same size as body text but bold, or run-in with the first sentence.

Fiction usually only needs H1 (chapter titles) and the occasional scene break.

The main rule: every heading level must look clearly different from the ones above and below it. If a reader can't instantly tell an H2 from an H3, something's broken.

Line Spacing, Paragraph Spacing, and Measure

Line spacing (leading) is the vertical distance between lines. For body text at 10-12pt, set it to 120-145% of the font size. So 11pt type gets 13-15pt leading. Tighter leading feels dense and serious. Looser leading feels open and approachable. When in doubt, go more generous — readers prefer it.

Paragraph spacing in books traditionally uses first-line indentation, not block spacing. Each paragraph indents 0.2-0.3 inches, with no extra space between paragraphs. Exception: the first paragraph after a heading or chapter title starts flush left, no indent.

Block-style paragraphs (no indent, space between) are standard for web content but look wrong in most book interiors. The exception is technical or reference books with heavily structured content.

Measure (line length) is how wide a line of text runs, measured in characters. The sweet spot is 55-75 characters per line, including spaces. Too short and the eye keeps jumping to the next line. Too long and you lose your place coming back to the left margin. Your margin and font size choices should land you in that range.

Special Typographic Elements

Most books have elements beyond body text that need their own treatment:

Block quotes: Indented from both sides (usually 0.5"), often set slightly smaller or in italic. Used for extended quotes, letters, or excerpted material.

Lists (bulleted and numbered): Indented from the left margin with hanging indents so wrapped lines align with the text, not the bullet. Keep spacing between items consistent.

Callout boxes or sidebars: Common in non-fiction, especially how-to books. Set apart with a background tint, border, or different font. They should stand out from body text without being distracting.

Footnotes: Smaller font (typically 8-9pt), separated from body text by a short rule. Numbered per chapter. Endnotes (at the back of the book) keep pages cleaner but force readers to flip around.

Captions: For books with photos or illustrations, captions go below or beside the image in a smaller or italic version of the body font. Keep the spacing between image, caption, and surrounding text consistent.

Designing for Different Formats

Most authors today publish across multiple formats. Each one comes with different design constraints.

Print Book Design

Print is the most design-intensive format because everything is fixed. What you set is what the reader sees.

Trim sizes are the physical dimensions. Common options:

5" x 8" — compact, popular for fiction and smaller non-fiction
5.5" x 8.5" — a bit larger, good all-purpose size
6" x 9" — the most popular self-publishing size, works for almost everything
7" x 10" — larger format for workbooks, art books, cookbooks, illustrated non-fiction
8.5" x 11" — full letter size for textbooks, manuals, and journals

Bleed is the 0.125" extension of images or colors beyond the trim edge. Anything that touches the page edge must extend into the bleed area — otherwise you get white strips after cutting. If your interior has no edge-to-edge elements, you can skip bleed, which makes the file simpler.

Binding type affects your interior. Perfect binding (glued, the standard for most paperbacks) needs bigger gutter margins than saddle-stitched (stapled) booklets. Hardcover (case binding) needs even more gutter space because the text block sits inside a rigid case.

Paper type changes how the design feels. White paper gives higher contrast and is better for photos. Cream paper reduces eye strain for long reads and is standard for fiction and narrative non-fiction.

For authors on Amazon, our KDP formatting guide covers every spec you need.

Ebook Design

Ebook design works under totally different rules because the layout is reflowable — the reader's device decides how things appear on screen.

What you control:

Font for headings and special elements (body font often gets overridden by the reader)
Relative sizing and spacing (ems and percentages, not fixed points)
Image placement and sizing (relative to screen width)
Chapter structure and navigation (TOC is generated from heading markup)
Cover image (shown in the store and library)

What you don't control:

Screen size and orientation
The reader's font, size, and margin choices
Exact line and page breaks
Background color (dark mode, sepia, etc.)

So ebook design is more about building a solid structure than fixing a layout. Use proper heading tags (H1, H2, H3), semantic markup for quotes and lists, and relative spacing that works at any screen size.

Image handling needs some care. Embed at reasonable resolution (150-300 DPI) but size them to work on both phones and large tablets. Always set max-width to 100% so images scale down on smaller screens instead of getting cropped.

For the full technical breakdown, see our ebook formatting guide.

PDF Design (Fixed Layout)

PDF is fixed-layout — what you design is exactly what the reader sees, on any device. You get full control over everything, similar to print.

PDFs work well for:

Lead magnets and free downloads
Workbooks and journals
Technical manuals and reports
Print-ready files for printers

When designing a PDF book, treat it like a print interior but optimize for screens: use slightly larger body text (11-12pt minimum), make sure links are clickable, and think about whether it'll be viewed on screen (RGB) or printed at home (keep it simple enough for consumer printers).

The Book Design Process: From Manuscript to Publish-Ready

Knowing the workflow helps you plan your time and budget. Here's how it goes:

Step 1: Manuscript Preparation

The manuscript needs to be done before design starts. Every word, every chapter, every heading — locked down. Designing while edits are still happening means expensive rework and version chaos. Clean up your file: use consistent heading styles, strip out manual formatting, apply structural markup (Heading 1 for chapters, Heading 2 for sections, etc.).

Our book manuscript format guide walks through the full prep checklist.

Step 2: Design Brief and Specifications

Nail these down before any design work begins:

Trim size and binding type
Genre conventions to follow (or intentionally break)
Comparable titles (2-3 books whose design you like)
Color palette preferences
Target audience — age, reading context, expectations
Format outputs — print, ebook, PDF, audiobook cover

Step 3: Cover Design

Cover design usually runs alongside interior design. The process:

Research comparable covers in your genre and spot the conventions
Develop 2-3 concept directions (thumbnails or mood boards)
Pick a direction and develop it to a full design
Test at thumbnail size for online visibility
Create the full wrap (front, spine, back) for print
Create ebook and audiobook cover versions
Review and refine

Step 4: Interior Layout and Typography

Pick and license fonts (body, headings, special elements)
Set up the page grid (margins, text block, headers, footers)
Design the chapter opener template
Design special elements (block quotes, callouts, lists, images)
Flow the manuscript into the template
Fix widows, orphans, and awkward page breaks
Generate the table of contents with final page numbers
Create front and back matter pages

Step 5: Proofing and Export

Print a proof copy (for print) or preview on multiple devices (for ebooks)
Check every page for typos, layout issues, and inconsistencies
Verify all images are high-res and properly placed
Export final files: print-ready PDF (CMYK, 300 DPI, with bleed marks) for print; EPUB and/or MOBI for ebooks
Submit to your distributor or printer and order a proof before wide release

DIY vs. Professional Book Design: What It Costs

Costs vary a lot depending on your approach:

DIY with free tools (Word, Canva, Google Docs): $0-50. You save money but spend a lot of time, and the results usually look amateur. Word and Google Docs just don't have the typographic control for professional interiors. Canva works okay for covers but struggles with multi-page layouts.

DIY with professional tools (Adobe InDesign, Vellum, Atticus): $50-300 for software, plus your time. InDesign is the industry standard but has a serious learning curve. Vellum (Mac only, $250 one-time) and Atticus ($147 one-time) are popular with self-published authors for interiors. You can get great results if you invest the time, but covers still require separate software and graphic design skills.

Freelance designer (cover only): $300-1,500. Pre-made covers start at $50-150 but limit customization. Custom covers from experienced genre designers run $500-1,200. Premium or illustrated covers can hit $2,000-3,000.

Freelance designer (interior only): $200-1,000 for a standard novel. Non-fiction with tables, images, and callouts can run $500-2,500.

Freelance designer (full package): $500-3,000 for cover + interior. High-end boutique studios charge $3,000-5,000+.

Full-service publishing company: $2,000-10,000+ for design as part of a bigger package that usually includes editing, marketing, and distribution.

AI-powered tools: A newer option that handles the whole pipeline. Authorio, for example, does cover design, interior formatting, and typography in one workflow — from outline to export-ready files — at $29-99/month. It cuts both cost and time compared to juggling separate tools and freelancers, especially if you're publishing multiple books.

The right pick depends on how many books you're doing, your budget, and your skills. A memoir that took five years to write probably deserves a professional designer. An author putting out six titles a year needs something faster.

Book Design Tools

The tool options have grown a lot. Here's a quick rundown:

Professional design software:

Adobe InDesign — the industry standard for print layout, steep learning curve, subscription pricing
Adobe Photoshop/Illustrator — for cover design and image editing

Author-focused formatting tools:

Vellum — Mac-only, beautiful templates, limited customization, one-time purchase
Atticus — cross-platform, browser-based, good templates, one-time purchase
Reedsy Book Editor — free, web-based, basic layouts only

Cover design tools:

Canva — template-based, easy to use, limited for print-spec covers
Book Brush — built for book mockups and ads, not final covers
Placeit — template-based mockups and covers

AI-powered platforms:

Authorio — handles the full pipeline from manuscript to published book. Generates covers, formats interiors, handles typography. Good fit for authors who want professional results without learning five different tools.

Free/open-source:

Scribus — free InDesign alternative, powerful but steep learning curve
GIMP — free Photoshop alternative for cover work
Sigil — free EPUB editor for ebook formatting

The industry trend is clear: tools are consolidating. Authors want one platform for the whole design pipeline instead of stitching five tools together. The tradeoff is customization — separate tools give you maximum control, while an integrated platform gives you speed.

Book Design Checklist

Run through this before you publish. Check every item.

Cover Design Checklist

Title is legible at 1-inch thumbnail size
Design follows genre conventions for your category
Front cover includes title, subtitle (if any), and author name
Color palette and imagery match the book's tone
Typography is sharp — not stretched, warped, or compressed
Spine includes title and author name (if thick enough)
Back cover has blurb, barcode area, and ISBN
File meets printer specs (300 DPI, CMYK, correct dimensions with bleed)
Ebook cover version created (correct pixel dimensions, RGB)
Design tested on multiple backgrounds (white, dark, gray)

Interior Design Checklist

Margins are generous enough for comfortable reading (especially the gutter)
Text block is well-proportioned on the page
Front matter is in the right order (half-title, title, copyright, dedication, TOC)
Copyright page has all required info
Chapter openers are consistent throughout
Scene breaks are clearly marked (not just blank lines)
Running headers and page numbers are consistent and correctly placed
Front matter uses Roman numerals; body uses Arabic starting at 1
Back matter is complete (about the author, also by, etc.)
No widows (lone lines at the top of a page) or orphans (lone lines at the bottom)

Typography Checklist

Body font is a readable serif at 10-12pt (print) or appropriate screen size
Line spacing is 120-145% of body font size
Line length is 55-75 characters per line
Heading hierarchy is clear and consistent (H1 > H2 > H3)
Paragraphs use first-line indent (not block spacing) unless genre-appropriate
First paragraph after headings is flush left (no indent)
Block quotes, lists, and special elements have distinct formatting
No double spaces after periods
Hyphens, en dashes, and em dashes used correctly
Smart quotes (curly) throughout — no straight quotes

Format-Specific Checklist

Print PDF is CMYK, 300 DPI, with bleed marks if required
EPUB validates without errors (use EPUB Check or your distributor's validator)
Ebook TOC is generated from heading tags and works correctly
Images are embedded at appropriate resolution for each format
Ebook previewed on at least 2 different devices or apps
Print proof copy ordered and physically reviewed

Book Design Ideas and Inspiration

Building a good design eye takes exposure. Here are some ways to get there:

Study the books you own. Grab ten books off your shelf — mix of genres and publishers. Compare their margins, fonts, chapter openers, and covers. Notice the gap between a Big Five publisher's design and a self-published book. Figure out what makes the professional ones feel polished.

Browse award-winning designs. The AIGA Book Design Awards and "50 Books / 50 Covers" competition showcase the best in contemporary book design. They're aspirational, but they train your eye for composition, type, and visual storytelling.

Screenshot online bookstores. Open your genre's bestseller list on Amazon and screenshot the top 50 covers. Put them in a grid. Patterns will jump out — dominant colors, common type styles, shared compositions. Those patterns are your genre's visual language.

Start a design collection. Designers keep folders of visual references — covers, interior spreads, type treatments that catch their eye. Start one (physical or digital). When it's time to design your own book, that's your starting point.

Remix what works. The best design ideas don't come from inventing something new. They come from combining proven elements in a fresh way. Take the typography from one book, the color palette from another, the layout from a third. Mix them into something that feels cohesive and original.

Making Book Design Manageable

Looking at the full list of decisions — cover imagery, spine width, gutter margins, type hierarchy, export specs for three formats — it can feel like a lot. And for most authors, design isn't why they started writing.

Here's the thing: the conventions exist because they work. You don't need to reinvent anything. A clean, genre-appropriate cover. Generous margins. A readable serif at a comfortable size. Consistent chapter openers. Proper front and back matter. That handles 90% of it.

If you'd rather focus on writing than learning design software, Authorio handles the whole process — from generating covers to formatting interiors with proper typography and margins, to exporting in every major format. It's a fast way to get from finished manuscript to publish-ready book.

Whatever route you take — DIY, freelancer, or AI tool — the principles here stay the same. Learn what professional book design looks like. Apply the basics consistently. Compare your output to published books in your genre. And remember: the best design is the kind nobody notices, because they're too busy reading.

Want to design your book? Try Authorio free and go from manuscript to professionally designed book in one workflow.