House of Hades Format:Hardcover only to discover the sinister

only to discover the sinister reason for their kidnapping

- Convince our mermaid to keep her tail

Crow must follow clues that lead not only to personal treasures

as long as scavengers like Amelia Radcliffe don't loot everything first

House of Hades Format:Hardcover only to discover the sinisterAlso Available In: Audio $31. 50 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 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