Derren Brown - Tricks of the Mind.
Do you want step-by-step quides through Hypnosis and Magic? Yes? Then look somewhere else. This book is something I recommend if you want a deeper understanding.
The Hypnosis and Suggestibility section presents very good arguments for the non-state view of Hypnosis, and explains a lot of 'hypnotic phonemenon' while at the same time presenting situations where, perhaps, the non-state view isn't matched.
Also it effectively challenges the cult-like followings of NLP and Ericksonian therapy quite well, as well as a lot of Psuedo-science etc.
This book is not about learning how to do something as much as learning why, and leaving the how to you for figuring out. However, in the process this helps you learn and develop more.
I highly recommend this book to anyone intrested in Magic, and/or Hypnosis and Suggestibility.
Oh, and kevsheldrake, he does discuss stage hypnosis ethics