Words can not explain what it means to talk to a legendary dog trainer like Marc Goldberg.  His commitment to helping both dog owners and dog trainers is unparalleled.  After hearing about the relationship he has with Brother Christopher you can see why this book will be one of the most popular dog training books of all times!  Be sure to subscribe! https://www.amazon.com/Let-Dogs-Be-Understanding-Mastering/dp/0316387932/ref=sr_1_1?ie=UTF8&qid=1506538053&sr=8-1&keywords=let+dogs+be+dogs