
A grief-stricken Percy and Annabeth barely escape from one threat after another until they finally reach Polyphemus’s island, where they find Clarisse, Grover, and Tyson alive. After an encounter with the sea’s guardians, the group is separated, and it appears Tyson didn’t survive. The Sea of Monsters presents challenges, both physical and emotional. Running from Luke, Percy and his friends join forces with Clarisse and enter the Sea of Monsters. The group encounters Luke Castellan, a camper who went rogue at the end of The Lightning Thief, and learn he poisoned the tree on the orders of Kronos (titan father of the gods). Feeling like they have to do something, Percy, Annabeth, and Tyson sneak away from camp and set out to find Grover and the Fleece.Īt sea, Percy discovers new water-related abilities from his father, Poseidon (god of the sea), including a nautical sense of direction which helps him set a course for Polyphemus’s island. Percy and Annabeth pressure the new director into assigning a quest to find the Fleece, which he gives to Percy’s enemy Clarisse La Rue, a daughter of Ares.

Grover is on an island in the Sea of Monsters being held captive by the cyclops Polyphemus, who has the Golden Fleece-the only magic strong enough to reverse the poison affecting Thalia’s tree. Over the next few days, more monsters attack, and Percy has another disturbing dream about Grover. In addition, the camp has a new activities director who dislikes Percy and wants nothing to do with the trouble surrounding the tree.

Percy and Annabeth help defeat the monsters and learn Thalia’s tree, which protects camp, has been poisoned. She, Percy, and Tyson head upstate.Īt camp, the three find a group of warriors holding off an attack. Annabeth has also been having strange dreams about trouble at camp. With the help of Tyson and Annabeth, Percy defeats the monsters, leaving the school building in flames. During gym class, a group of unfamiliar bully kids transform into Laistrygonian giants and attack Percy. Upset at the news and concerned about his dream, Percy reluctantly agrees and heads to school, where he spends the day defending his friend Tyson from the school bullies. After waking from a dream in which his friend Grover Underwood was chased by a monster, Percy’s mom tells him they aren’t going to camp later, promising to give him more information after school.


The Sea of Monsters opens on Percy Jackson’s last day of seventh grade and the day he is supposed to return to Camp Half Blood for a second summer.
