The Difficult War: Perspectives on Insurgency and Special Operations Forces is a collection of essays that deals with theoretical concepts related to insurgency as well as to the practice of irregular warfare. Since special operations forces are such an integral element to counter-insurgency, this volume also contains a large SOF component. Importantly, this book will assist the practitioner of the profession of arms to understand insurgency or, perhaps more accurately, counter-insurgency and those components that are germane to its practice. Moreover, The Difficult War provides insight and knowledge about these complex forms of warfare that are useful and accessible to both the lay reader and the military expert. As such the book is a valuable volume for those connected to or interested in the profession of arms.