The boy in the striped pajamas | John Boyne

One day, when Bruno returned home from school, he was surprised to find Maria, the housemaid — who always keeps her head bowed and never lifts her eyes from the carpet — in his room, moving all his belongings from the wardrobe and packing them into four large wooden boxes, even those things that only belong to him and that he had hidden in the back and are none of anyone else's business! And from here the story began.