The Heroes of Olympus series is the sequel to the Percy Jackson series. It has five books:
It is about Percy Jackson and his friends pursing the Prophecy of Seven. When Percy and Jason both disappear and switch places their friends need to work together to save each other. go on quests & adventures working to defeat Gaia the father of the Gods, who is looking for revenge after getting sent to the bottom of Tartarus by the God's.
Percy Jackson is licensed under CC BY-NC-SA 4.0
