Comprises 65 papers and poster abstracts from a 1997 conference which was organized under the auspices of the Serotonin Club and the International Union of Pharmacology. The contributions are divided into sections on molecular biology, signal transduction, therapeutics, modulation/signaling, and animal studies. Specific topics include: identification and characterization of RNA editing events within the 5-HT receptor; predictions of multiple agonist pharmacology for the same receptor type; regulation of membrane excitability in the central nervous system by serotonin receptor subtypes; and methiothepin but methysergide antagonizes TRH effects at the dorsal vagal complex. No subject index. Annotation c. by Book News, Inc., Portland, Or.