I only see:
Create a collection Download as PDF Printable version
whereas I'm looking for:
The wikibooks documentation is certainly thorough:
How to convert to popular format. If you encounter difficulties or a format is not listed ask for help at Wikisource:Scriptorium/Help. Wikisource Direct Download
EPUB - Download to format with book creator EPUB 2 - Download to format with Oldwikisource:Wikisource:WSexport ZIM (Kiwix) - Download to format with book creator Open Document (word processor) - Download to format with book creator PDF - Download to format with book creator
But for small "books" on one page, the five filters "send to kindle" plugin works fine. How are others converting from wikibook source to epub, mobi or similar? Leaving aside PDF's.