Anthologize
Blog to Book
BlogBooker - From your Blog to a Book
BlogBooker - WordPress - Print and Save your blog as a Book
Pressbooks - Import ‹ My Cousins
Pressbooks - The open book creation platform.
How do I export my WordPress blog as a PDF book? - WordPress Development Stack Exchange
How to Go From Blog to Book: A Step-by-Step Guide
Write a Book – Support