Wikibook-Bot – Automatic Generation of a Wikipedia Book
arxiv.org
arxiv.org
I guess the difference is that Wikibooks are written from scratch and expected to have a coherent structure like a normal book, whereas Wikipedia books only need to link to existing Wikipedia articles, so they're easier to create.
By the way, I found this linked in the sidebox that might be more understandable to laymen: https://www.technologyreview.com/s/612726/this-algorithm-bro...
https://en.wikipedia.org/wiki/OmniScriptum#Wikipedia_content
http://www.chrisrand.com/blog/2010/02/odd-tale-alphascript-p...
Also discussed on HN before: https://news.ycombinator.com/item?id=1183986