---
title: "The Typography Rules That Make a Book Look Professionally Made"
description: "Widows, orphans, rivers, hyphenation, and the small typesetting conventions readers never notice but always feel, and why they separate a real book from a Word export."
source: https://usegalley.com/blog/book-typography-basics
---
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# The Typography Rules That Make a Book Look Professionally Made

May 5, 2026 [Design](https://usegalley.com/blog/tag/design)

![A well-set book page next to a poorly-spaced one, side by side](https://usegalley.com/images/blog/book-typography-basics.png) TL;DR Professional book interiors follow rules most readers can't name: no single line stranded at the top or bottom of a page (widows and orphans), justified text with real hyphenation so word spacing stays even, no distracting 'rivers' of white space, and a consistent baseline. A Word export breaks nearly all of these, which is exactly why a self-formatted book can feel 'off' without the reader knowing why.

Readers can’t tell you why one book “feels” more professional than another, but
they feel it on every page. Nearly always, it’s the typesetting doing the work
they can’t see. Here are the rules that separate a made book from an exported
document.

## Widows and orphans

A [widow](https://practicaltypography.com/widow-and-orphan-control.html) is the
last line of a paragraph stranded alone at the top of a page. An orphan is the
first line of a paragraph stranded at the bottom, with the rest overleaf. Both
look like a mistake even to people who’ve never heard the terms.

Good typesetting quietly pushes or pulls a line to avoid them, usually by nudging
the whole page a hair looser or tighter. Word doesn’t really do this, which is
why Word-exported books are full of lonely lines nobody meant to strand.

## Justification and hyphenation

Book body text is justified, both edges flush. That only looks even if the
typesetter allows real hyphenation. Without it, the software stretches the word
spaces to fill each line, and you get those ugly gaping gaps that make a
paragraph look moth-eaten.

The fix is a proper hyphenation dictionary breaking long words at the right
points. This is the single biggest reason justified Word text looks amateur and
justified book text looks calm. Same alignment, completely different result.

## Rivers

When the gaps between words happen to line up vertically down several lines, they
form a “river” of white space that the eye follows instead of reading the words.
Once you’ve seen one you can’t unsee it. Even hyphenation and good spacing are
what prevent them, which is another argument for not fighting your justification
by hand.

## Baseline, leading, and running heads

The stuff you never notice because it’s right: every line of text sits on a
consistent [baseline grid](https://usegalley.com/glossary#baseline-grid), the leading (space between lines) is even, running
heads and page numbers (folios) sit in the same place on every page, and chapter
openings drop to a consistent point down the page. Break any of these and the
book feels subtly restless, even if the reader can’t say why.

## The point

None of this is about being fancy. It’s about a book not tripping the reader’s
“something’s wrong here” alarm. Galley [sets all of this](https://usegalley.com/features/make-the-book)
the way a typesetter would: correct hyphenation, managed widows and orphans, a
consistent baseline. The export looks made, not exported, without you
learning any of it by hand. You even
[see it while you write](https://usegalley.com/blog/write-on-the-real-page), not only at export.

For the vocabulary, [anatomy of a book page](https://usegalley.com/resources/anatomy-of-a-book-page)
names every part of the page described above, and
[dashes, hyphens and ellipses](https://usegalley.com/resources/dashes-hyphens-and-ellipses) settles
the three marks that cause the most trouble in a manuscript.

## More on design

- [Writing Software for Novelists Who Don't Write in English](https://usegalley.com/blog/write-a-novel-in-your-language)How to write and typeset a book in Arabic, Persian, Urdu, Hebrew, Hindi, Bengali, Thai, Japanese, Chinese, Korean, Russian, Greek or Vietnamese, which typeface each script gets, and what still needs building.

[Every design post](https://usegalley.com/blog/tag/design)

[← All posts](https://usegalley.com/blog)

Galley is the tool that does the part this post is about — the finished, printable book.

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