Casarett and Doull’s Toxicology: The Basic Science of Poisons, 6th ed. 

Long-established as the gold standard in the field, this sixth edition equips one with an unsurpassed treatment of modern toxicology, including the principles, concepts, mechanisms, and modes of thought that are the foundation of the discipline. This classic book includes a full discussion of toxicokinetics; how each body system responds to poisons; and the specific effects of a wide range of toxic agents pesticides to radiation. It covers recent advances in molecular biology, pharmacogenetics, clinical toxicology, and behavioral/clinical research.