The most common trim size for paperbacks in the US is 6' x 9' (15.24 x 22.86 cm), but you have several other options.

Formatting chapter title pages (advanced).

Formatting chapters (section breaks and chapter titles).

Topic 8 - Format Your Paperback Manuscript.

Topic 5 - Build Your Amazon Detail Page.

HTML and CSS Tags Supported in Kindle Format 8.

Attributes and Tags Supported by Enhanced Typesetting.

Creating Kindle Editions with Audio/Video Content.

Creating Fixed-Layout Books Without Pop-Ups.Creating Fixed-Layout Books with Image Pop-Ups or Virtual Panels.Creating Fixed-Layout Books with Text Pop-Ups.Guidelines for Specific Types of eBooks.Paths to Getting Your Content on Kindle.Buy Box Eligibility for Third-Party Sellers.Reporting Possible Violations of Our Guidelines.Intellectual Property Rights Frequently Asked Questions.Kindle Direct Publishing Terms and Conditions.Send Updated eBook Content to Customers.Nominate Your eBook for a Promotion (Beta).Paperback and Hardcover Distribution Rights.Kindle Vella - Royalties, Reporting, and Payments.International Standard Book Number (ISBN).Make Your Book More Discoverable with Keywords.Previewing and Publishing Your Kindle Create Book.Prepare Print Replica Books with Kindle Create.Prepare Comic eBooks with Kindle Create.Prepare Reflowable and Print Books with Kindle Create.Publishing Service Providers & Resources.Create a Table of Contents with a Navigation Document.Fix Paperback and Hardcover Formatting Issues.Paperback and Hardcover Manuscript Templates.

Format Front Matter, Body Matter, and Back Matter.How EU Prices Affect List Price Requirements.EIN for Corporations and Non-Individual Entities

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