I wouldn't be terribly surprised if David MacKay has heard of HPMOR, actually. Also, the textbook pitted against Harry Potter there is very good indeed.
(Also: although I can see why this post got downvoted, I really don't think it deserves to be at -8.)
http://www.inference.phy.cam.ac.uk/mackay/itila/Potter.html
Somebody hasn't heard of HPMOR...