This is the most complete handbook on the subject of poisons that this reviewer has seen. An amazing amount of up-to-date information is packed into this conveniently small book. Such recent agents as the antihistamines, chlorpromazine, and the new organic pesticides are well described and their hazards outlined. A large section discusses the hazards of poisonous plants, reptiles, and insects and the treatment of their effects. This is an indispensable source of reference.