The Battle of the Labyrinth

The Battle of the Labyrinth is the fourth book of the Percy Jackson series.

Plot
The book begins with Percy going to a freshmen orientation class at a high school where Paul Blofis teaches. While there, he meets Rachel Elizabeth Dare, and is attacked by Monsters working for Kronos. Percy and Rachel escape the monsters, but only after the Mist manipulates the battle to make it seem like Percy started the fire. Percy meets up with Annabeth, and go to Camp Half-Blood.

Later, in a camp game designed by Quintus, Annabeth and Percy find an entrance to the Labyrinth, a magical underground maze, under Zeus's Fist. in the camp. In a dream, Percy finds out that Luke plans to use the Labyrinth entrance to invade Camp Half-Blood. Annabeth leads a quest with Percy, Grover and Tyson to find Daedelus, the maze's creator. grover believes he can also find Pan somewhere in the Labyrinth. In the Labyrinth, they come across the minor god Janus, the Queen of Olympus Hera, and rescue an ancient Hundred-Handed One, Briares, from Kampe. They then meet Nico di Angelo at the Triple G Ranch. After defeating a triple-bodied monster at the ranch, they continue on their way, parting paths with Nico, who makes amends with Percy. Once back in the Labyrinth, the foursome match wits with a Sphinx They then split up when Grover claims he can hear Pan calling to him. After a meeting with Hephaestus, Annabeth and Percy go searching for monsters that are invading the forge god's territory. Before battling the half-dog, half-sea lion monsters, Annabeth kisses Percy. Percy summons water from within himself to defeat the monsters, called Telekhines, but the resulting explosion sends him to a phantom island called Ogygia. Percy encounters a girl named Calypso, who is a daughter of Atlas. Calypso falls in love with Percy, but Percy is forced to leave her when he learns that Camp Half-blood is in danger. With the help of Hephaestus, he gets back to camp

Percy knows that a mortal know the way through the Labyrinth, so he Annabeth and Rachel Elizabeth Dare go back to the Labyrinth and go looking for Grover and Tyson. They find Nico,while they battle monsters that try to attack Daedalus. Percy then opens Kronos's sarcophagus and finds Luke's body.This means that Luke is dead, Kronos is back, and he has taken Luke's body.Percy tries to run from Kronos and Rachel throws a hairbrush on his face. The three then find Grover and Tyson, who find Pan, and watch him as he dies. Then, the four go back to camp and fight in a war between the monsters and the campers. The monsters get defeated, and then Percy goes home. For his birthday, he calls Tyson to his house and Nico comes too. Nico says that he knows how to beat Kronos. The book ends as Percy tells Nico, " Come in and have some cake and ice cream. Sounds like we've got a lot to talk about."

Characters

 * Percy Jackson
 * Annabeth Chase
 * Rachel Elizabeth Dare
 * Grover Underwood
 * Tyson
 * Daedelus
 * Nico di Angelo