Max Edelman was just 17 when the Nazis took him to the first of five work camps, where his only hope of survival was to keep quiet and raise an emotional shield. After witnessing a German Shepherd kill a fellow prisoner, he developed a lifelong fear of dogs. Beaten into blindness, Max survived, buried the past, and moved on. But when he retired, he needed help. After a month of training, he received Calvin, a devoted chocolate Labrador retriever. Here is the remarkable story of a man who survived history and the dog that unlocked his heart.