Heroes Of Olympus - The Mark of Athena

The phenomenally successful Rick Riordan is back with the next thrilling installment of the "Heroes of Olympus series". Can "Percy Jackson" and the "Half-blood" Heroes succeed on their quest to find "The Doors of Death" or will the Greek Gods of chaos win their battle to stop them? Percy and his fellow demi-gods face the most important quest of all - the Prophecy of Seven.