Secrets are dirty things. . . . Billy Johnson has a problem. He can't keep a secret. He's lost all his friends. No one trusts him. Everyone hates him, even his sister. But it's not his fault. He's haunted by a monster, who feeds on the private information Billy can't keep hidden. He's powerless against her and can't stop feeding her. Billy knows something about heroism, though. If Perseus and Hercules could fight mythic beasts and defeat them, surely...