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. This is my story.

Then is the second in a series of children's novels by Morris Gleitzman that began with Once about Felix, a Jewish orphan caught in the middle of the Holocaust. The other books in the sequence, Once, Then, After, Soon, Maybe and Now are also available from Puffin.