Updated October 7, 2026. Verify changing platform requirements with the primary sources below.
What to know before you decide
- Paperback and hardcover interiors may share layout decisions, but their cover files are different.
- eBook formatting is reflowable in many cases and should be tested separately from the print PDF.
- Trim size, margins, bleed, images, tables, footnotes, indexes and complex front matter can increase production time.
- Ask whether the quote includes corrections after proof review and final platform-ready files.
Primary sources
For rules, fees and platform requirements that can change, verify the current source before acting.
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