What They Won't Teach You at Hogwarts

James Randi, the famous debunker of all things psychic, has made the complete text of An Encyclopedia of Claims, Frauds, and Hoaxes of the Occult and Supernatural available online. Dig his sly, sarcastic sense of humor:

"Abdelazys (also, Alchabitius) A tenth-century Arabian astrologer whose book on astrology, Alchabitius cum commento, was first published in Latin in 1473, and then in 1503 in Venice. The book is no clearer or more useful than any other book on the subject. It is merely old."