Percy Jackson - Battle of the Labyrinth

My name is Percy Jackson... I'm almost 15 years old. The world around us seems to be getting more and more dangerous. Camp Half-Blood is not what it used to be. Luke and Kronos' army are trying to get beyond its borders. We're heading into the ancient labyrinth of Daedalus. Are you in? But I must warn you! An ingenious underground maze can lead a man anywhere, confuse him, drive him mad and kill him... Volume 4 follows on from the previous titles: Percy Jackson - The Lightning Thief, Percy Jackson - Sea of Monsters, Percy Jackson - Curse of the Titans.