The Mark of Athena – The third book in the Heroes of Olympus series will be the reunion of Jason, Piper and Leo. But they only have six people, how to fulfill prophecy required seven people? The Greek and Roman gods will have to work together to defeat the giants created by Earth Mother, Gaea.
After that, they will have to sail together to the ancient land to find Doors of Death. What exactly is Doors of Death? Much of the prophecy remains a secret
With old friends and new friends joining the group, the same magical ship, fearsome enemies and a bizarre setting, The Mark of Athena promises to be another unforgettable adventure for people. storytelling master Rick Riordan.