Dr. Gerd Heuschmann burst onto the international equestrian scene with his startling expose Tug of War , in which he demonstrated with words and photographs the disturbing effects of the (then) popular "rollkur" or "hyperflexion" technique in training dressage horses. In his long-awaited follow-up book, Dr. Heuschmann explores what it means to be a "responsible rider," and asks whether, in today's society, it is indeed possible for riders in any horse...