Rick Riordan - Percy Jackson and the Sea of Monsters

You can't tell by looking at me that my dad is Poisedon, God of the Sea. It's not easy being a half-blood these days. Even a simple game of dodgeball becomes a death match againts an ugly gang of cannibal giants-and that was only the beginning. Now Camp Half-Bood is under attack and, unless I can get my hands on the golden Fleece, the whole camp will be invaded by monsters. Big ones...