01686cam a2200349 4500 388829072 TxAuBib 20170501120000.0 130508s2013||||||||||||||||||||||||eng|u 9781423146728 1423146727 TxAuBib Riordan, Rick, 1964- The House of Hades / Rick Riordan. 1st ed. New York : Disney/Hyperion Books, [2013] 597 pages ; 22 cm. Heroes of Olympus ; 4 At the conclusion of The Mark of Athena, Annabeth and Percy tumble into a pit leading stragith 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 Door 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? 20131031. Mythology, Roman Juvenile fiction. Mythology, Greek Juvenile fiction. Giants Juvenile fiction. Camps (Recreational) Juvenile fiction. Hera (Greek Deity) Juvenile fiction. Gaia (Greek Deity) Juvenile fiction. Roman Mythology Fiction. Greek Mythology Fiction. Fantasy Fiction Juvenile fiction. Action and Adventure Fiction Juvenile Fiction. Heroes of Olympus ; 4.