The House of Hades

Summary: When Percy and Annabeth are pulled into Tartarus by Arachne while trying to save the Athena Parthenos, the other five demigods of the Prophecy of Seven along with Nico di Angelo and Coach Hedge rush to the Doors of Death in the mortal world in order to save Percy and Annabeth and to close the doors. On their way, they meet many mythological allies and foes. Meanwhile, Percy and Annabeth travel through Tartarus with the help of Bob the Titan. How they reach the Doors of Death and close it forms the rest of the story.

Review: This fantasy novel, which is the fourth book of The Heroes of Olympus series, is filled with adventure and humour. It keeps us on the edge of our seats as the story is full of twists and turns.