* First edition has sold over 6000 copies and is still relevant in the field. * Richard G. Erskine is a big name in integrative psychotherapy and is writing the preface highlighting updates in the field since first publication, including the effect of technology and the pandemic on psychotherapy. * Continues to be recommend on integrative psychotherapy training courses as well as being a resource for experienced therapists. * Provides a compendium of key concepts and techniques from a wide range of approaches. * Uses accessible language and their renowned Keyhole model. * Material from actual sessions is used throughout.