Luca, son of Hermes and the worst enemy of Percy, became a loyal henchman of the titan Kronos. And now he is waiting for his terrible master to rise again. Then Kronos will destroy the Half-Blood Camp. And then he will throw his army on the storming of Olympus... And to thwart his plans, you need to perform a feat. Annabeth Chase, Percy Jackson and their friends head to the Labyrinth, once created by Daedalus. It is a dark and dangerous place full of secrets and monsters. Whoever submits the Labyrinth to his will will be able to move quickly and safely to any point in space. Friends must get ahead of Luke and reveal the secret of the Labyrinth - otherwise in the upcoming battle they will not have a chance to win. The Percy Jackson cycle became a fantasy classic for teenagers and brought his author world fame. Rick Riordan's books have sold over 100 million copies. This is the fourth book about Percy Jackson.