Percy Jackson and the Olympians系列第四集　　When demonic cheerleaders invade his high school, Percy Jackson hurries to Camp Half Blood, from whence he and his demigod friends set out on a quest through the Labyrinth, while the war between the Olympians and the evil Titan lord Kronos draws near. Reprint.

Rick Riordan is the author of the previous books in theNew York Times #1 best-selling Percy Jackson and the Olympians series:The Lightning Thief; The Sea of Monsters; The Titan's Curse; and The Battle of the Labyrinth. His previous novels for adults include the hugely popular Tres Navarre series, winner of the top three awards in the mystery genre. He lives in San Antonio, Texas, with his wife and two sons.