pressbooks.com
In short: Getting listed on Pressbooks Self-Publisher is free, with optional paid upgrades. Plan for about 10 minutes — it is a form plus links and assets you already have.
What they ask for: Create an accessible, openly licensed handbook or course text with structured chapters, exercises, citations, and relevant links, then make the webbook public for directory discovery.
Create an accessible, openly licensed handbook or course text with structured chapters, exercises, citations, and relevant links, then make the webbook public for directory discovery.
One book per self-publisher subscription; ongoing editing requires a paid plan. Use an open license for durable open hosting/discoverability after cancellation and ensure the book is substantive, accessible, and rights-cleared.
Open the submission page on pressbooks.com and complete its form — that is the "Open submit page" link at the top of this page.
One book per self-publisher subscription; ongoing editing requires a paid plan. Use an open license for durable open hosting/discoverability after cancellation and ensure the book is substantive, accessible, and rights-cleared.
Priority sets the band — this one is high. Cost (free + paid tier) and effort (quick) move it within that band, which puts it in the high impact tier. The score orders a submission queue. It is not a measure of the site’s domain authority, traffic or quality.