Is that the one with Val Kilmer, or have they made a new one? It only made me dislike Jim Morrison even more, if it's the one I'm thinking of. Prize nob. The Danny Sugarman book is good though. It helps if you like the Doors, which I don't. He also wrote one called Wonderland Avenue, if you like your rock n roll a bit on the edge it'll be right up your street. The Iggy bits are shocking, hilarious and probably true.
Another upvote for Wonderland Avenue. Having read a bit about Iggy since the stories in it are quite probably true...