A 17th-century Italian orphan finds the long-lost piece of Leonardo da Vinci’s The Last Supper, missing since Dominican friars cut out a portion of the wall to connect the priory's refectory with its kitchen. That’s the basic premise of “Boy of Heaven,” a novel by Morris Hoffman. As the tale takes us through the trials and tribulations of the story, eternal themes emerge. Catholic Review Editor Christopher Gunty talked with the author, a former judge who has seen his share of good and evil in the courtroom, about how the characters in “Boy of Heaven” reflect the choices we all have to make about which side we are on.