The fifth version of Dr. Stahl's important textbook on psychopharmacology, which has long been recognized as the leading resource in its field, is finally available. With its use of icons and figures that form Dr Stahl's unique 'visual language', the book is the single most readable source of information on disease and drug mechanisms for all students and mental health professionals seeking to understand and utilize current therapeutics, and to anticipate the future for novel medications. Every section of the book has been revised and updated with Dr. Stahl's trademark clarity of explanation. Over 500 new or updated figures, an easy-to-read color scheme, fourteen new drug uses for older ones, 18 brand-new drugs, coverage of Parkinson's Disease Psychosis, and behavioral symptoms are all part of the new version.