In this issue of Psychiatric Clinics, guest editors Drs. Michael Levin and Sam Spencer bring their considerable expertise to the topic of Acceptance and Commitment Therapy. Over the last 25 years, acceptance and commitment therapy (ACT), an action-oriented approach to psychotherapy, has become widely used and is accepted as an effective technique for treating a variety of physical and mental conditions. In this issue, top experts discuss ACT for anxiety disorders, psychosis, substance use disorders, PTSD, hoarding disorder, psychiatric conditions in youth, and more. Contains 14 relevant, practice-oriented topics including ACT for obsessive-compulsive disorder, depression, eating disorders, and more; as well as research design and measurement: related considerations in ACT; and ACT and future of process-based therapyProvides in-depth clinical reviews on acceptance and commitment therapy, offering actionable insights for clinical practicePresents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews