Nick Chamian

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 the Gaea's forces, and Percy and Annabeth can survive the House of Hades, then the Seven will be able to seal the Doors both sides and prevent the giants from raising Gaea....

From the co-creator of the groundbreaking television show Twin Peaks comes an exciting adventure series with a unique combination of mystery, heart-pounding action, and the supernatural. Meet your new action-adventure addiction!
Will West is playing a dangerous game. Months after uncovering the sinister Paladin Prophecy plot, Will continues to work with the mastermind behind the project—none other than his own grandfather,...

"Greek and Roman demigods from the Prophecy of Seven must work together to seal the Doors of Death--and help Percy and Annabeth escape the Underworld in the process"--|cProvided by publisher.

Young Demigods,
Your Destiny Awaits!

You must prepare yourself for a difficult future: fighting monsters, adventuring across the globe, and dealing with temperamental Greek and Roman gods. You’ll join your favorite demigods from the Percy Jackson and the Heroes of Olympus series as they face dangerous foes and perilous tasks. What you learn from their experiences could very well save your life!