'The most moving Holocaust diary published since Anne Frank' Daily Telegraph First they led us to the baths, where they took from us everything we still had. Quite literally there wasn't even a hair left. I didn't even recognize my own mother till I heard her voice . . . In 1941, aged 12, Helga Weiss, her mother and father were forced to say goodbye to their home, their relatives and all that they knew, and were interned in the Nazi concentration camp of Terezin. For the next three years, Helga documented her experiences there, and those of her friends and family, in a diary. Then they were...