yumoMake a book

Everything we learned publishing on Amazon KDP

Straight answers on niches, chapters, trim sizes, margins, keywords and AI workflows. A new guide every day — no fluff, no recycled listicles.

Amazon KDP publishing

Accounts, royalties, ISBNs, review and everything between manuscript and live listing.

7 guides

Niche & keyword research

Find demand before you write a single word.

7 guides

AI writing tools & workflows

What AI can actually do for a book — and where it still needs you.

6 guides

Formatting & print files

Trim sizes, margins, bleed, spine width, fonts, print-ready PDFs.

7 guides

Selling & marketing

Keywords, categories, blurbs, launches, ads, reviews, series.

7 guides

Latest guides

Skip the 20 hours of work

yumo researches the niche, writes every chapter and engineers margins, bleed and spine width to Amazon's print rules — then hands you one upload-ready ZIP.

Make my first book