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Published by Hyperion Books

ISBN 1423146727 (ISBN13: 9781423146728)

SYNOPSIS:

Annabeth and Percy tumble into a pit leading straight to the Underworld. The other five demigods have to put aside their grief and follow Percy’s instructions to find the mortal side of the Doors of Death. If they can fight their way through the Gaea’s forces, and Percy and Annabeth can survive the House of Hades, then the Seven will be able to seal the Doors from both sides and prevent the giants from raising Gaea. But, Leo wonders, if the Doors are sealed, how will Percy and Annabeth be able to escape?

They have no choice. If the demigods don’t succeed, Gaea’s armies will never die. They have no time. In about a month, the Romans will march on Camp Half-Blood. The stakes are higher than ever in this adventure that dives into the depths of Tartarus.

ABOUT THE AUTHOR

Rick Riordan is the #1 New York Times bestselling author of the Percy Jackson and the Olympians series, the Kane Chronicles, and the Heroes of Olympus. Riordan turned to children’s fiction when he started The Lightning Thief as a bedtime story for his oldest son. Rick Riordan now writes full-time. He lives in San Antonio with his wife and two sons.