The Battle of the Labyrinth by Rick Riordan

Fans of the Percy Jackson and the Olympians series will not be disappointed as they join freshman Percy Jackson (half human, half Greek god) on his fourth quest. As Camp Half-Blood becomes increasing concerned that Luke will try to enter camp, Annabeth is chosen to go on a quest to find Daedalus’s workshop and prevent Luke from finding Ariandne’s string which will allow a user to navigate through the maze. Annabeth takes Percy, Tyson, and Grover on an action filled quest that will leave fans count the days until May 5, 2009 when the fifth book will be released.