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, an
Author Rick Riordan
Published Date 2019-09-24
ISBN 1368051715 9781368051712
Books similar to this
As an Amazon Associate Likewise earns from qualifying purchases.