Book excerpt: Volume 70 of Advances in Pharmacology presents the pharmacology and therapeutics of constitutively active receptors. With a variety of chapters and the best authors in the field, the volume is an essential resource for pharmacologists, immunologists, and biochemists alike. Advances in Pharmacology provides a rich collection of reviews on timely topics. The series places emphasis on the molecular bases of drug action, both applied and experimental. - Contributions from the best authors in the field - An essential resource for pharmacologists, immunologists, and biochemists