"'Srulik, there's no time. I want you to remember what I'm going to tell you. You have to stay alive. You have to! Get someone to teach you how to act like a Christian, how to cross yourself and pray. . . . The most important thing, Srulik, ' he said, talking fast, 'is to forget your name. Wipe it from your memory. . . . But even if you forget everything--even if you forget me and Mama--never forget that you're a Jew.' And so, at only eight...