A dictionary of hallucinations

the long version

"The Dictionary of Hallucinations is an alphabetical listing of issues pertaining to hallucinations and other misperceptions. They can be roughly divided into five categories: 1. Definitions of individual hallucinatory symptoms 2. Medical conditions and substances associated with the mediation of hallucinations 3. Definitions of the terms hallucination and illusion by important historical authors 4. Historical figures who are known to have experienced hallucinations 5. Miscellaneous issues."--Publisher's website.