2026-06-10 · all guides

Best Fonts for Print Books: What Professional Interiors Actually Use

Why print books use serif fonts

Open almost any traditionally published novel or nonfiction book and the body text is a serif face. The small strokes at the ends of letters help the eye track along a line of dense text on paper, and centuries of book printing have trained readers to expect them. A serif body signals book before a reader has processed a single word, while a sans-serif body reads like a report or a website printed out. For long-form reading on paper, serif is not a style preference; it is the convention that makes your interior look professionally made.

Sans-serif faces still have a place in a book, just not in the body. They work well for chapter headings, subheadings, captions, tables, and sidebars, where their clean geometry creates contrast against the serif text. A common professional pairing is one serif for everything the reader reads continuously and one sans-serif for everything the reader scans.

The faces professionals reach for

Three names come up constantly in trade book design: Garamond, Caslon, and Minion. Garamond is elegant and slightly light on the page, a favorite for literary fiction and general nonfiction. Caslon is a classic English face with a bit more warmth and weight. Minion, designed in 1990 for digital typesetting, is a workhorse that handles small sizes, italics, and numerals gracefully, which is why so many modern trade books use it. Baskerville and Palatino are also safe, well-proven choices.

What about Times New Roman? It works mechanically, but it was designed for narrow newspaper columns and it is the default font of school essays and office memos, so an interior set in it can read as unfinished. If you want a no-decision default that still looks like a book, Garamond at 11 point is hard to get wrong.

Size and line spacing: the numbers that matter

Body text in trade books runs 10.5 to 12 points. Larger sizes look like large print editions and inflate your page count, which raises printing cost per copy; smaller sizes strain readers and look cramped. Within that range, the right choice depends on the face, because fonts of the same nominal size can look very different. Garamond runs small and often wants 11.5 or 12 point, while Minion at 11 looks comfortable.

Line spacing, called leading, matters as much as size. Book interiors use roughly 1.3 to 1.4 times the font size: an 11 point body on 14 to 15 points of leading is a typical setting. Single spacing is too tight for a book page, and 1.5 or double spacing belongs in manuscripts, not finished interiors. Set size and leading together, print a test page at actual trim size, and judge it on paper rather than on screen.

Licensing, embedding, and the ebook caveat

A print interior is delivered as a PDF, and the PDF must have every font embedded, meaning the font data ships inside the file. KDP and other printers reject or mangle files with missing fonts. Check the license of any font you use: system fonts and most fonts bundled with word processors and design apps permit embedding in a PDF for print, and open-source faces like EB Garamond are free to use commercially. Confirm before you build a 200-page interior around a face you cannot legally embed.

One caveat: none of this transfers to the ebook edition. EPUB text reflows and readers choose their own font and size, so your careful body font selection only fully controls the print edition. Design the print interior deliberately and let the ebook be flexible. If you would rather skip the typography decisions entirely, ebookdone generates a print-ready PDF interior with a proven serif body, correct sizing, and embedded fonts for 9 dollars; you can see a finished interior at /sample/two-hour-meal-prep.pdf.

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