A large-print edition needs more than a larger font. Set a readable type size, use a calm page layout, then recalculate pagination and review a sample with the intended reader before printing.
1. Ask who will read the book and what they prefer
Before reformatting, ask the intended reader which type size and style feels comfortable, whether they prefer more spacing or a wider page, and whether they use reading glasses or a magnifier. Large-print definitions are not identical across organizations or uses. The U.S. Library of Congress notes that large-print books commonly use 16- to 18-point type and describes a 14-point threshold for a specific U.S. mailing standard; American Printing House (APH) recommends at least 18 points in its large-print document guidelines. Follow the brief or standard that applies to your project and treat the reader’s comfort as essential.
2. Preserve the original and make a separate edition file
Duplicate the manuscript before changing type size or page dimensions. Name the copy clearly as the large-print edition. This prevents changes from altering the regular edition and gives you a safe version to compare.
3. Choose type size and a clear typeface
Use the intended reading size throughout body text, including captions, footnotes, tables, and text inside diagrams. A larger body size—such as 18 points when following the APH guideline—is a useful starting point, not a universal guarantee of readability. Choose a legible, non-condensed typeface and confirm it supports all characters in the book’s language. Avoid using italics for long passages; distinguish emphasis with a brief bold phrase or wording where appropriate.
4. Simplify the page layout
- Use one main text column for ordinary prose.
- Align paragraphs left with a natural, ragged right edge unless the intended reader prefers otherwise.
- Use comfortable line spacing and clear space between paragraphs. APH’s document guideline recommends 1.25 line spacing and roughly 39–43 characters per line; consider these starting points for that guideline, not rules for every book or language.
- Avoid long blocks of all-capitals, decorative type, dense footnotes, and text over patterned backgrounds.
- Keep headings visually distinct and consistent; don’t rely on color alone to show hierarchy.
5. Reformat images, tables, and page furniture too
Enlarging body text while leaving everything else tiny undermines the edition. Increase caption and note sizes, simplify charts, label lines directly where possible, and give diagrams enough room. Check headers, folios, table text, maps, and credits. If a table becomes cramped, split it across pages or redesign it rather than shrinking its text.
6. Reflow the whole book and recalculate the cover
Larger type changes line breaks and usually increases page count. Let the text reflow; don’t stretch an old page image or simply enlarge each page as a picture. Recheck chapter openings, blank pages, running heads, and page numbers. Once the interior page count is stable, calculate the cover spine from the printer’s specification for the chosen paper and binding. Never reuse the regular edition’s spine width without recalculating.
7. Make a short sample and ask the reader to test it
- Export a few representative pages: ordinary prose, a chapter opening, a caption, and the densest chart.
- Print them at actual size on ordinary paper or review a physical proof if available.
- Ask the intended reader to read a short passage in their normal lighting and position.
- Ask what felt tiring or hard to find, then adjust size, spacing, contrast, or page width.
A screen preview is not a substitute for reading at actual print size. A larger page size may make the layout more comfortable, but it also changes the trim size and cover dimensions; check these with the printer before committing.
8. Proof the final PDF
After the reader-approved changes, export a new PDF and open it in a separate reader. Check every page for clipped text, tiny captions, low-contrast elements, awkward breaks, and missing characters. Confirm the PDF trim size, page order, and the latest cover spine width against printer instructions. Recheck the final exported file after any last edit.
Large-print production checklist
- The reader or commissioning brief informed type size and layout.
- Body text, captions, footnotes, tables, and diagram labels are all readable.
- The page avoids unnecessary columns, cramped line lengths, and patterned backgrounds.
- Pagination and cover spine were recalculated after reflow.
- A representative physical-size sample was tested.
- The latest PDF was opened and checked against the printer’s specifications.
Request a free file check
When the interior and cover files are ready, submit your book for a free file check. Include the trim size, final page count, and the reader’s preferred type size so the review can follow your edition’s needs.