Tagline / hook — one or two lines, top of cover, large type Back cover copy — the main sales text, typically 150–200 words Endorsements / blurbs — quotes from credible names, with attribution Author bio — short, 50–75 words, usually with a small author photo Series information — "Also by..." or series branding if applicable Category / genre line — e.g., "Self-Help / Anxiety" — tells booksellers where to shelve it ISBN barcode — bottom right, always ISBN number in text — printed above or near the barcode Price — printed on the barcode block or separately; sometimes omitted on hardcovers Publisher logo — bottom left typically, or bottom center Publisher website — small type, often near the logo "Printed in [country]" — sometimes included, sometimes on the copyright page only Primary — Recommended Tagline / hook Back cover copy Author bio Category / genre line ISBN barcode ISBN number in text Publisher logo Secondary — Optional Endorsements / blurbs Price Author photo Series information Publisher website "Printed in [country]" Bowker (myidentifiers.com) is the only official US ISBN agency. Single ISBN costs $125. 10-pack is $295. ISBN.org barcode generator — free, official Free: Amazon https://www.myidentifiers.com/identify-protect-your-book/isbn/buy-isbn -- ** for multi-platform publishing This changes your math on Bowker packages significantly. If you're planning translations, the 10-pack at $295 becomes the obvious move. Formating EPUB (for all platforms) https://www.isbnservices.com/product/ebook-conversion/ FREE: https://draft2digital.com/ https://draft2digital.com/register/ Official US Copyright registration: Copyright: Done through copyright.gov $45-65 for a single online registration (basic claim) Takes several months to process, but registration date is the filing date Gives you full legal teeth if someone copies your book