# Self-publishing questions, answered.

One question per page, answer first — no fluff, no scroll hunting.

## Answers

- [What is print-on-demand book publishing and how does it work?](/content/answers/what-is-print-on-demand-book-publishing/index.html)
- [How much does it cost to self-publish a book?](/content/answers/how-much-does-it-cost-to-self-publish-a-book/index.html)
- [Do I need an ISBN to sell my book?](/content/answers/do-i-need-an-isbn-to-sell-my-book/index.html)
- [How do you sell books without Amazon?](/content/answers/how-to-sell-books-without-amazon/index.html)

## Comparisons

- [Bookworthy vs. Amazon KDP: which should you use to sell your book?](/content/compare/bookworthy-vs-amazon-kdp/index.html)
- [Bookworthy vs. Lulu: what's the difference for selling your own book?](/content/compare/bookworthy-vs-lulu/index.html)
- [Bookworthy vs. BookBaby: pay upfront for services, or pay per copy sold?](/content/compare/bookworthy-vs-bookbaby/index.html)