The fourth book in the bestselling spin off series from Percy Jackson and the Olympians, featuring the original hero - now in a brand-new look!

Seven Heroes. One Prophecy. Destiny Calls.


Lost in the depths of the Underworld, Percy and Annabeth's lives rest in the hands of their friends and fellow demigods - Jason, Piper, Leo, Hazel and Frank.

Their five friends must reach the Doors of Death - gateway to the Underworld - if they ever want to see Percy and Annabeth a ...