Christoph Mahr provides a comprehensive overview of resources and their significance for psychotherapy. He explains the importance of a resource-oriented mindset, especially in hypnotherapeutic processes, what resources are available, and how they can be utilized within the therapy. The essential includes a theoretical section that presents modern hypnosis with its key figure Milton H. Erickson and the methods derived from him, as well as a practical section with structured and detailed action guidelines for activating resources.