Books like At the Edge of the World

The more I came to know of the world, the more I knew I knew it not. He was a nameless orphan, marked for death by his masters for an unknown crime. Discovering his name -- Crispin -- only intensified the mystery. Then Crispin met Bear, who helped him learn the secret of his full identity.And in Bear -- the enormous, red-bearded juggler, sometime spy, and everyday philosopher -- Crispin also found a new father and a new world. Now Crispin and Bear have set off to live their lives as free men. But they don't get far before their past catches up with them: To find freedom and safety, they may have to travel to the edge of the world -- even if it means confronting death itself. In this riveting sequel to the Newbery-Award winning Crispin: The Cross of Lead -- the second book in a planned trilogy -- Avi explores themes of war, religion, and family as he continues the adventures of Crispin and Bear.