The "Complete Adult Psychotherapy Treatment Planner" is a comprehensive textbook authored by Timothy J. Bruce, L. Mark Peterson, and Arthur E. Jongsma Jr. It is published by Wiley & Sons, Incorporated, John in 2021. This book covers the subject areas of psychology and medical psychotherapy, specifically focusing on psychotherapy in general and internal medicine. With 560 pages, it provides a valuable resource for those seeking guidance on adult psychotherapy treatment planning.