One similarity that happens in the move and the book is Pawel bandaged Bruno's knee when he fell off of the tire swing and his mom told him to say she bandaged his knee. One differences in the book and the move is in the book Bruno's head got shaved because he had head lice. In the move he did not get his head shaved.
One difference that happened in the book and the movie is in the book hitler and Eva Braun came to visit for dinner. In the movie hitler and Eva Braun did not come