The Wings of a Falcon: A Quest for Truth. - Cynthia Voigt - Mass Market Paperback

Summary: There was something different about him. He had no name. He showed no emotion, never yielded. And Griff had always stood by him. Even in this place where cruelty and betrayals were the way of life. So when he decides to escape, he takes Griff with him. Their journey has no known destination, and no purpose except to make their way through life's chances.