Or if you really enjoyed this, skip right to Hell's Angels: A Strange and Terrible Saga[1]. Bonus if you currently live in the Bay area, because that's where much of the story is set. It was Thompson's first "breakthru" book and (in my opinion) one of his much more coherent writings.
Hells Angels: A Strange and Terrible Saga by Hunter S Thimpson http://www.amazon.com/Hells-Angels-Strange-Terrible-Saga/dp/...
Stone (1974) http://www.imdb.com/title/tt0072209/