Everything You Need to Self-Publish
on Amazon KDP
Practical guides, honest cost breakdowns, and unbiased tool comparisons for independent authors.
No fluff, no upsells.
What You Will Find Here
The Shadow Quill is a free resource site for self-published authors. Every guide is research-backed, independently written, and built around one goal: helping you make better publishing decisions.
Publishing Costs
What does it actually cost to self-publish in 2026? We break down every expense with real numbers — from KDP fees to cover design.
Book Formatting
Vellum, Atticus, or a free alternative? We compare every major formatting tool so you can choose the right one before you spend a dollar.
Starting Your Publishing Business
How to set up, structure, and run a self-publishing operation — from choosing your platform to understanding your royalties.
Latest Guides
New guides published every week, covering costs, tools, platforms, and everything else independent authors need to make informed publishing decisions.
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Quick Answer Starting a publishing company means registering a business entity, choosing a publishing imprint name, acquiring ISBNs, selecting a distribution platform such as Amazon KDP or IngramSpark, and building a repeatable book production process. Most self-publishing businesses can be operational within 30 to 90 days depending on your legal setup and how quickly you…
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Quick Answer To format an ebook for KDP, your file needs to be structured as a clean EPUB or a properly styled Word document (DOCX) — not a raw export from your writing software. The most important requirements are consistent paragraph styles, a working linked table of contents, no fixed layouts, and images saved in…
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Quick Answer The best book formatting software for most self-published authors is Atticus ($147 one-time) — it runs on Mac and Windows, exports clean EPUB and print PDF, and requires no design experience. Vellum ($199.99 one-time) produces the most polished ebook interiors on the market but is Mac-only. Scrivener ($59 one-time) is the right pick…
No courses. No coaching. No agenda.
Just the information independent authors need.