Flexibility within Fidelity identifies how effective ESTs can be implemented with both integrity and flexibility. The book is comprised of chapters focusing on specific ESTs for identified problem areas amongst adults and children/adolescents, including anxiety disorders, PTSD, pain management, and depression among others. Chapter authors focus on the specific treatment components that are required to maintain fidelity and the features of the EST which can be applied with flexibility, promoting a personalized implementation. Written in an accessible style featuring in-depth clinical discussions, this book will equip mental health practitioners with the tools to implement ESTs across client presentations.