ThenBy: Morris Gleitzman In Then Morris Gleitzman's heartbreaking children's novel set during the Nazi occupation of Poland during the Second World War Jewish orphan Felix and his best friend Zelda have been captured and are on the way to a concentration camp, unless they manage to escape . . . A little hope goes a long way. I had a plan for me and Zelda. Pretend to be someone else. Find new parents, be safe forever. Then the Nazis came. My name is Felix.