Large Print Book Formatting: How to Format and Publish a Large Print Edition

Large print book formatting is the process of producing a separate edition of your manuscript specifically designed for readers who need larger text — typically those with visual impairments, macular degeneration, or age-related vision changes. Large print editions are a distinct market with real demand, particularly through library systems, and many self-published authors overlook them entirely.

Formatting a large print edition is not simply increasing the font size in your existing file. It requires rethinking margins, line spacing, trim size, and page count — all of which compound together to produce a book that's genuinely readable, not just bigger. Done correctly, a large print edition can open your book to an audience that can't comfortably read a standard edition.

This guide covers everything you need to know: formatting standards, font choices, production workflow, and how to publish and distribute a large print edition alongside your standard edition.

What large print books are and who reads them

Large print books use a minimum font size of 16–18 points — roughly double the 11–12pt body text in a standard adult paperback. The format exists to serve readers whose vision makes standard print difficult or impossible to read comfortably.

The primary audience includes:

• Older readers (adults 65+), who represent a significant and growing book-buying demographic
• Readers with visual impairments, including low vision, macular degeneration, and glaucoma
• Library patrons — library systems are among the largest purchasers of large print books, stocking them specifically for patrons who request them

Libraries often purchase through Ingram's wholesale catalog, which makes IngramSpark distribution particularly valuable for large print editions. Public library systems in the US, UK, Canada, and Australia all maintain large print collections, and many libraries actively seek self-published large print titles.

Large print formatting standards

The publishing industry uses established conventions for large print that go beyond just font size. The table below compares standard print and large print specifications.

Element	Standard print	Large print
Body font size	10–12pt	16–18pt minimum
Leading (line spacing)	120–130% of font size	130–150% of font size
Margins	0.5–0.75 inch inner; 0.5 inch outer	0.75–1 inch all sides
Trim size	5.5×8.5 or 6×9	6×9 or 7×10 recommended
Characters per line	65–75	50–60
Paragraph spacing	0 or small indent	Indent or extra space between

The American Foundation for the Blind and the Library of Congress both publish guidance on accessible print standards. These aren't binding requirements for self-publishers, but they represent the professional baseline your book should meet.

Font choices for large print

Not all fonts perform equally at large sizes. A font that looks elegant at 11pt may look loose or irregular at 18pt. For large print, prioritize legibility over aesthetics.

Strong choices for large print body text include:

• Georgia — A high-x-height serif that was designed for legibility. Wide letterforms separate well at large sizes.
• Palatino / Book Antiqua — Humanist serifs with clear stroke differentiation and open counters.
• Bookerly — Amazon's purpose-designed reading font; excellent legibility at all sizes.
• Verdana — A sans-serif that excels at screen legibility but also performs well in large print editions.

Avoid condensed or light-weight fonts — they lose definition at larger sizes. Avoid decorative display fonts for body text at any size. See choosing fonts for your book for a broader treatment of font selection principles.

One practical test: set your chosen font at 18pt, print a single test page, and hand it to someone with vision challenges. Their response is more useful than any specification table.

How to create a large print edition from an existing manuscript

A large print edition is a separate document — a separate interior file, a separate cover file, and a separate book listing on your publishing platform. You do not modify your standard edition; you create a new version.

The workflow:

1. Duplicate your formatted manuscript file. Start from your existing formatted source rather than the raw manuscript.
2. Change the trim size. 6×9 or 7×10 works well for large print. If you're already at 6×9, moving to 7×10 gives more characters per line at large font sizes.
3. Increase the font size. Set body text to 16–18pt. 16pt is the minimum; 18pt is more comfortable for most large print readers.
4. Adjust line spacing. Set leading to approximately 130–150% of your font size. At 18pt body text, that's roughly 23–27pt leading.
5. Widen margins. Inner margin (gutter) should be at least 0.75 inches; outer, top, and bottom margins at least 0.5–0.75 inches.
6. Reflow the entire document. Page breaks, chapter openings, and scene breaks will all shift.
7. Review and fix layout issues. Check for awkward page breaks, widows, orphans, and section heading placement. See typesetting widows and orphans for what to look for.
8. Export as a print-ready PDF at your large print trim size.

Your book interior design baseline still applies — chapter headings, running headers, and front matter all need to be updated to match the new size. See running headers and page numbers for conventions that also apply to large print editions.

Large print page count implications

Increasing font size and line spacing dramatically increases your page count. A book that runs 300 pages in standard print may run 450–520 pages in a 16pt large print edition, and even more at 18pt.

This has two practical consequences:

Spine width increases. Your large print edition will have a noticeably wider spine than your standard edition. The cover must be designed separately to accommodate the correct spine width. See print-ready book cover design for spine width calculation.

Per-copy printing cost increases. More pages means a higher printing cost per copy. For a 500-page large print paperback, KDP's printing cost can reach $6–8 for a black-and-white interior. You'll need to price your large print edition higher than your standard edition to maintain a viable royalty margin.

Large print retail pricing

Large print books conventionally sell at a premium over standard editions. Readers and libraries expect this because the production cost is genuinely higher. A standard paperback priced at $14.99 might be priced at $18.99–$22.99 in large print, depending on page count.

Library purchasing through Ingram typically happens at a wholesale discount (often 40–55%). Price your large print edition with this in mind — you need a list price high enough that after the printing cost and wholesale discount, you still earn something.

Approx. page count	Approx. KDP printing cost	Suggested minimum list price
350–400 pages	~$4.45	~$17.99
400–500 pages	~$5.45	~$19.99
500–600 pages	~$6.45	~$21.99

These are approximate. Use KDP's Pricing Calculator with your actual page count to find your specific break-even point.

Publishing large print on KDP

On KDP, a large print edition is a separate title — a separate ASIN, a separate listing, a separate set of files. You upload a new interior PDF and a new cover sized to the large print trim size and page count.

Key conventions for your KDP large print listing:

• Title field: Include "Large Print Edition" in the title or subtitle. Example: The Missing Hour (Large Print Edition) or The Missing Hour: Large Print Edition. This is standard convention and helps both search and library purchasing systems identify the format.
• Description: Note prominently that this is a large print edition and specify the font size (e.g., "Set in 18-point type for easy reading").
• Series field: If your standard edition is part of a series, you can list the large print edition under the same series name.

KDP's expanded distribution does include large print paperbacks. Enabling expanded distribution makes your large print edition available to library purchasing systems via KDP's wholesale partners.

Large print and IngramSpark

IngramSpark offers broader library distribution than KDP. Libraries purchase heavily through Ingram's catalog, and a large print title listed with IngramSpark is more discoverable to library acquisition librarians than one only on KDP.

For maximum library reach, consider:

1. Publishing your large print edition on IngramSpark with a wholesale discount of at least 40% (55% is preferable for bookstore distribution)
2. Marking the title as returnable (libraries and bookstores typically require returnability)
3. Using the correct BISAC subject code for large print (see metadata section below)

See IngramSpark for indie authors for the full IngramSpark setup process.

Ebook accessibility as a complement to large print

Ebooks allow readers to increase the font size themselves — so a reader who needs large text can often use your standard ebook rather than a large print edition. This is genuinely true and worth knowing.

However, a large print print edition still serves audiences that e-readers don't reach:

• Readers who prefer or require physical books
• Library patrons checking out physical copies
• Readers who don't own or can't comfortably use e-readers
• Institutional markets (care homes, hospitals, reading groups)

The ebook is a complement, not a substitute, for large print in distribution terms. See ebook accessibility for how to optimize your ebook for readers with visual needs.

Identifying your book as large print in metadata

Metadata is how libraries and distributors categorize and find your large print edition. Get it right.

• Title: Include "Large Print Edition" or "Large Print" in the title as displayed on the cover and in the title field
• BISAC subject code: Add the large print BISAC code alongside your primary genre codes. Large print codes follow the pattern [GENRE] / Large Print — for example, FICTION / Mystery & Detective / Large Print
• Format: Select "Paperback" or the appropriate physical format — do not use a special large print format code on KDP, as they don't offer one; use the BISAC code instead
• Description: State clearly that the book is a large print edition and specify the font size

Correct metadata ensures your book appears in library catalog searches specifically filtering for large print titles.

Frequently asked questions

Do I need a separate ISBN for a large print edition? Yes. Each format and edition of a book requires its own ISBN. A standard paperback, a large print paperback, and an ebook are three distinct ISBNs. If you're using KDP's free ISBNs, KDP assigns a separate one automatically when you create a new listing.

Can I publish large print and standard print simultaneously on KDP? Yes. They are separate title listings and can coexist on KDP without any conflict. Both will appear in Amazon search results, and readers can choose which edition to purchase.

Is there meaningful demand for large print self-published books? Yes, particularly through library channels. The library market for large print is well-established and actively funded. Direct retail demand through Amazon is more modest but real, especially in popular fiction genres. If your book is in a genre with older readership (cozy mystery, historical fiction, romance), large print demand is higher.

How much does it cost to produce a large print edition? The cost is your time to reformat and a separate cover design if your cover designer charges for the resize. There's no separate listing fee on KDP. The printing cost per copy is higher due to page count, but you control that through your list price.

Can I use the same cover for my large print edition? The cover design can be the same, but the cover file must be resized for the large print trim size and spine width. Your cover designer will need to create a new properly sized file. The cover art and design itself can be identical — just sized differently.

The bottom line

A large print edition is a modest formatting project that can meaningfully expand your book's reach into library systems and an underserved reader market. The work is primarily in reformatting your interior file, updating your trim size and cover, and creating a separate listing with correct metadata.

Most indie authors skip large print because it feels complicated. It isn't — it's the same interior formatting process you already went through, with different size and font parameters. For any book in a genre with older readership or strong library potential, the effort is worth it.

LiberScript lets you format your manuscript and export print-ready PDFs at any standard trim size. Format your standard edition and your large print edition from the same source manuscript without starting over. Get started today.