“A couple of times he read from them at dinner parties,” she said in an interview, “but I didn’t understand German then.” Many years later, though, Simone’s daughter, Lucy, took an interest in the magazines, not just as family mementos but as markers of history. She got a research grant to travel to Germany, where she was able to study more about her grandfather’s history. Simone then spent years searching for a way to expand public awareness of the magazines, one of the few previously undiscovered literary efforts that document the Holocaust in Europe. This led to the production of...