After blowing up yet another school, Percy is forced to flee to Camp Half Blood, where he finds all is not well. A dangerous enemy, intent on destroying the secret training camp for young demi-gods, has found a way in through an ancient labyrinth. Percy and his friends must unravel the mysteries of the maze to stop this attack
Available at Chipping Barnet.
Riordan takes the reader back to the stories we love; then shakes the cobwebs out of them