Published in 1989: A comprehensive review of the chemical, clinical, pharmaco-logical, medical and social aspects of the chemicals that are widely abused is presented in this highly informative publication. The contributing authors represent expertise in clinical medicine, pharmacy, chemistry, pharmacology, social work and psychiatry. The scientific discussion, phar-macokinetic, pharmacological, and analytical, is well tied to the behavioral aspects of substances of abuse, making this a unique publication.