Based on a true story, and from the co-author of Rescuers, the courageous and vividly told story of one boy and the courageous family who risks everything to save him.Once Jacob Gutgeld lived with his family in a beautiful house in Warsaw, Poland. He went to school and played hide-and-seek in the woods with his friends. But everything changed the day the Nazi soldiers invaded in 1939. Suddenly it wasn't safe to be Jewish anymore.