This is a very interesting book, based on a great deal of reading, especially about the hallucinogenic drugs which are now so much in the public eye. As we all know, they are now being used, not only by pharmacologists, brain physiologists, and experimental psy chiatrists, but by many "odd-balls" who want to get a "kick" and some excitement. These probably are the same persons who go in for heroin, marihuana, and alcohol. They are always searching for a drug that, for a time, will enable them to escape from reality—and into a strange world of visions and dreams. The book is written in such a way that, while it is of interest to laymen, it can also be a handy sourcebook for students of pharmacology. It can give them much information about the plants from which strange drugs are derived, also, where these plants grow. One finds information such