Vasopressin, Volume 113 in the Vitamins and Hormones series, highlights new advances in the field, with this new volume presenting updates on timely topics, including Diabetes Insipidus in Pregnancy, Vasopressin Inactivation: Role of Insulin-Regulated Aminopeptidase, Vasotocin and the Origins of the Vasopressin/Oxytocin Receptor Gene Family, Vasopressin V2 Receptor Ligand Recognition, Development and Therapeutic Potential of Vasopressin Synthetic Analog [V4Q5]dDAVP as a Novel Anticancer Agent, Cellular Junctions and Vasopressin, Vasopressin Actions in the Kidney Renin Angiotensin System and its Role in Hypertension and Renal Disease, Oxytocin/Vasopressin-Like Neuropeptide Signaling in Insects, and much more.