Book Preview shows your manuscript as a reader would see it — a title page, then each chapter in turn — with none of the app's navigation around it.
From a book's overview page, "Preview book" appears once the book has at least one chapter. It opens in a dedicated, full-screen view with Previous/Next buttons and arrow-key navigation.
A title page (title, subtitle, author), then one page per chapter, styled with whichever page settings (theme, typeface, chapter heading style) you've already chosen in the editor.
Preview pages by chapter, not by sub-chapter page — a long chapter scrolls within its own page rather than splitting into several. True page-by-page splitting is planned.
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Last updated 10/1/2026