The House of Hades
At the conclusion of The Mark of Athena, 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?
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About the Heroes of Olympus Series
Books in series order
- 1.The Lost Hero(2010)
- 2.The Son of Neptune(2011)
- 3.The Mark of Athena(2012)
- 4.The House of Hades(2013)
- 5.Blood of Olympus(2014)
- +The Heroes of Olympus: The Demigod Diaries(2012)
Reading age: 9+ years
This series should be read in order.
After saving Olympus from the evil Titan lord, Kronos, Percy and friends have rebuilt their beloved Camp Half-Blood, where the next generation of demigods must now prepare for a chilling prophecy of their own:
Seven half-bloods shall answer the call,
To storm or fire the world must fall.
An oath to keep with a final breath,
And foes bear arms to the Doors of Death.
In the world of Camp Half-Blood a new group of heroes will inherit a quest. But to survive the journey, they'll need the help of some familiar demigods.

