Help center & resources

Everything you need to publish like a pro.

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Royalty calculator

Estimate your earnings by price, store mix, and volume.

Specs, covers, metadata best practices for perfect ebook files.

What it is, when you need one, and how to get one free from us.

Picking the right category = more discoverability = more sales.

New retailer requirements for AI-generated content explained clearly.

Per-retailer specs at a glance so your cover looks perfect everywhere.