In June 1944, the Nazis locked eighteen-year-old Dave Hersch into a railroad boxcar and shipped him from his hometown of Dej, Hungary, to Mauthausen Concentration Camp, the harshest, cruellest camp in the Reich. After ten months in the granite mines of Mauthausens nearby sub-camp, Gusen, he weighed less than 80lbs, nothing but skin and bones. Somehow surviving the relentless horrors of these two brutal camps, as Allied forces drew near Dave was...