Percy Jackson and the Olympians, Book Three: The Titan’s Curse (Percy Jackson & the Olympians) by Rick Riordan

Percy Jackson and the Olympians: The Titan’s Curse is the third book in Rick Riordan’s series. When a prophecy foretells the return of the Titan lord Kronos, Percy Jackson and his friends, Annabeth Chase and Grover Underwood, must rescue the goddess Artemis, who has gone missing. Their quest leads them to face a powerful foe, the Titan Atlas, and they must also confront the growing threat of Kronos’s followers. With the help of new allies and their own bravery, Percy and his friends race against time to save Artemis and prevent a catastrophic battle between the gods and Titans.