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After surviving many deadly quests, Percy, Jason, Annabeth and their friends face one final challenge: defeat an army of giants before the Earth Mother, Gaia, finally awakes and brings about the end of the world . . . 

Though the Greek and Roman crew members of the Argo II have made progress in their many quests, they still seem no closer to defeating the earth mother, Gaea. Her giants have risen - all of them - and they're stronger than ever.
The gods, still suffering from multiple personality disorder, are useless. How can a handful of young demigods hope to persevere against Gaea's army of powerful giants? As dangerous as it is to head to Athens, they have no other option. They have sacrificed too much already. And if Gaea wakes, it is game over . . .
%%%Though the Greek and Roman crew members of the Argo II have made progress in their many quests, they still seem no closer to defeating the earth mother, Gaea. Her giants have risen - all of them - and they're stronger than ever.



The gods, still suffering from multiple personality disorder, are useless. How can a handful of young demigods hope to persevere against Gaea's army of powerful giants? As dangerous as it is to head to Athens, they have no other option. They have sacrificed too much already. And if Gaea wakes, it is game over . . .

Formats & editions

  • Paperback

    9780141339245

    June 24, 2015

    Puffin

    534 pages

    RRP $21.00

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Also by Rick Riordan

The Burning Maze (The Trials Of Apollo Book 3)
Percy Jackson And The Lightning Thief (Book 1)
The Dark Prophecy (The Trials Of Apollo Book 2)
The Hidden Oracle: The Trials Of Apollo (Book 1)
Percy Jackson And The Sea Of Monsters (Book 2)
Magnus Chase And The Ship Of The Dead (Book 3)
Percy Jackson And The Titan's Curse (Book 3)
Magnus Chase and the Hammer of Thor: Magnus Chase (Book 2)
Percy Jackson And The Battle Of The Labyrinth (Book 4)
Magnus Chase And The Sword Of Summer (Book 1)
Percy Jackson And The Last Olympian (Book 5)
Son Of Neptune: Heroes Of Olympus (Book 2)
The Lost Hero: Heroes Of Olympus (Book 1)
The House Of Hades (Heroes Of Olympus Book 4)
The Mark of Athena: Heroes Of Olympus (Book 3)
The Red Pyramid: The Kane Chronicles (Book 1)
Percy Jackson And The Greek Heroes
Percy Jackson And The Greek Gods
Camp Half-Blood Confidential
Percy Jackson And The Sea Of Monsters (Film Tie-In Edition)
Demigods And Magicians: Three Stories From The World Of Percy Jackson And The Kane Chronicles
The Serpent's Shadow: The Kane Chronicles (Book 3)
Heroes Of Olympus
The Son Of Neptune: The Graphic Novel (Heroes Of Olympus Book 2)

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