The House of Hades

In this thrilling continuation of the series, Annabeth and Percy fall into the Underworld, leaving the remaining five demigods to navigate a perilous journey as they seek the mortal side of the Doors of Death. With Gaea's forces looming and a looming threat to Camp Half-Blood, the group must put aside their sorrow and follow Percy's directions. As they battle against time and formidable enemies, Leo fears what sealing the Doors might mean for Percy and Annabeth's escape. The stakes have never been higher in this gripping adventure through Tartarus.