THE KDPEASY JOURNAL
A little know-how.
A lot more possibility.
Practical guides, fresh ideas, and thoughtful advice for your next chapter in self-publishing.
Find your next readFROM IDEA TO PUBLISHED
A helpful companion
at every chapter.
Cover design, book creation, and the business of publishing. Make your next move with a little more confidence.
77 articles. Plenty of inspiration.THE READING ROOM
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Guide
KDP Trim Sizes 2026: All 16 Sizes + Best Size by Genre
Choosing the right trim size is crucial for your book's success. Discover which of the 16 KDP paperback sizes works best for your genre.
Guide
KDP Spine Width Formula (2026): 0.002252 Per Page + Chart
Spine width can make or break your KDP cover upload. Learn exactly how to calculate it based on your book specifications using the official KDP spine width formula.
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