Zettle, R. (2007). ACT for Depression: A Clinician's Guide to Using Acceptance & Commitment Therapy in Treating Depression. Oakland, CA: New Harbinger.
The research-proven program outlined in the book introduces therapists to the ACT model on theoretical and case-conceptual levels. Then it delves into the specifics of structuring interventions for clients with depression using the ACT method of acceptance and values-based behavior change. Written by one of the pioneering researchers into the effectiveness of ACT for the treatment of depression, this book is a much-needed professional resource for the tens of thousand of therapists who are becoming ever more interested in ACT.