Acclaimed for its clear writing and stellar contributors, this authoritative text is now in a revised and updated fourth edition. The book explains the history, assessment approach, techniques, and research base of each of the 12 most important psychotherapies practiced today, along with its foundational ideas about personality and psychological health and dysfunction. The consistent chapter format facilitates comparison among the various approaches. Every chapter includes engaging clinical vignettes and an extended case example that bring key concepts to life, as well as suggested resources for further learning.