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Fastest answer: ask the assistant inside your book
Every book project has an Ask the assistant button in the bottom-right corner. It knows your book and can tell you how to change a title, redo a page, edit one thing on your cover, reuse characters in a new book, restore an earlier version or download your KDP files — and it can run many of those changes for you on the spot.
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Prefer email? Reach us directly. We typically respond within 24 hours.
Quick Answers
How do credits work?
Credits are used for each AI generation step (research, drafting, covers, etc.). Different actions cost different amounts. New accounts receive 75 free credits. You can buy more anytime.
What files are included in a KDP package?
A complete package includes: ebook cover (1600×2560 JPEG), paperback full-wrap cover PDF, interior PDF, DOCX manuscript, EPUB file, and a metadata sheet with title, description, keywords, and categories.
Can I get refunds on credits?
Credits are non-refundable but do not expire. If a generation fails due to a system error, credits are automatically refunded.
Do I need an ISBN?
eBooks on Kindle don't require an ISBN. For paperbacks, you can use Amazon's free KDP ISBN or your own purchased one.