ISBN Decision Guide

ISBN Guide for Self-Publishers

Everything self-publishers need to know about ISBNs — what they are, where to buy them, how many you need, and how they work with IngramSpark and KDP.

What Is IngramSpark?

A plain-English beginner's guide to IngramSpark — what it is, what it costs, who should use it, and how it fits alongside Amazon KDP.

Should You Use Both KDP and IngramSpark?

Why most successful self-publishers use KDP AND IngramSpark together — and the simple split that maximizes Amazon royalties and bookstore reach.

IngramSpark Royalty Calculator

Royalty per copy after wholesale discount and print cost.

KDP Royalty Calculator

Estimate Amazon KDP royalties and profit per sale.

Amazon KDP vs IngramSpark Profit Calculator

Side-by-side royalty and monthly profit on KDP vs IngramSpark.

Worksheet

Publishing Budget Worksheet

Plan IngramSpark publishing costs — editing, cover design, ISBNs, proofs, print runs, and marketing — with a simple budget worksheet for self-publishers.

Workbook

Self-Publishing Comparison Workbook

A side-by-side workbook for comparing Amazon KDP and IngramSpark on royalties, reach, costs, and control to decide where to publish your book.

Checklist

IngramSpark Publishing Checklist

A step-by-step checklist for publishing on IngramSpark — account setup, metadata, files, ISBNs, pricing, distribution, and pre-launch QA.

Planner

Book Launch Timeline

A printable book launch timeline for IngramSpark and KDP authors — pre-launch, launch week, and post-launch milestones across 12 weeks.