The Prime Publishing Hub Blog
Honest, practical advice on author branding, self-publishing, and book marketing, written to help you publish a book you’re proud of and get it into readers’ hands.

KDP Formatting Requirements: A Complete 2026 Checklist
Formatting is where amateur books give themselves away, and where KDP uploads get rejected. This complete 2026 checklist covers print and eBook specs, matter order, and rejection reasons.

EPUB vs. MOBI vs. PDF: Which Format Do You Actually Need?
EPUB, MOBI, PDF, the eBook format soup confuses every new author. Here’s what each is built for, which retailers want which, and why you probably need fewer formats than you think.

Common Interior Formatting Mistakes That Get Manuscripts Rejected
You can write a brilliant book and still look amateur, or get rejected on upload, because of interior formatting. Here are the most common mistakes that get manuscripts rejected, and the fixes.

IngramSpark vs. Amazon KDP: Which Is Better for Wide Distribution?
KDP dominates Amazon; IngramSpark opens bookstores and libraries. Here’s an honest IngramSpark vs. KDP comparison across reach, royalties, and cost, plus the strategy pros actually use.

How to Get Your Self-Published Book Into Bookstores
Bookstores aren’t gatekeeping you out, they’re running a business with specific terms. Here’s exactly how to get your self-published book into bookstores and libraries.

Global Book Distribution Explained: 100+ Platforms in Plain English
Distribution is just how your book reaches the stores where readers buy. Here’s how eBook and print distribution actually work, retailers vs. aggregators, and royalty timelines, in plain English.

Print on Demand vs. Bulk Printing: Pros, Cons, and Costs
Print-on-demand or a bulk run? Pick wrong and you overpay per copy or fill your garage with unsold books. Here’s the cost breakdown, break-even math, and which model fits your plan.

How to Run an ARC Campaign That Works
Launching to zero reviews is like opening a restaurant with no one inside. Here’s how to run an ARC campaign that fills your first week with honest reviews, step by step.

Amazon Author Central Setup Guide for New Authors
Most new authors set up their book on Amazon and stop, missing Author Central, a free tool that boosts discoverability. Here’s how to set it up and optimize it, step by step.