Diceman is a classic book by Luke Rhinehart, a student fave along with Zen and the art of MM. It's about a rich psychologist who gets bored and decides to live his life by the roll of the dice.

Recommended. The book, not the lifestyle :)
"All governments suffer a recurring problem - power attracts pathological personalities. It is not power that corrupts, but that power is a magnet to the corruptible" - Dune, Missionaria Protectiva.