Heroes Of Olympus: House Of Hades (By Rick Riordan) [COMPLETED]

Percy and Annabeth; in Tartarus. Gaea; on the brink of consciousness. Camp Half-Blood; in ruins. What are they gonna do now? After Percy Jackson and Annabeth Chase's fall to the pit of darkness and evil, Nico di Angelo leads the Argo II to the mortal side of the Doors of Death in Epirus, Greece to rescue t...