This is a mere fanfiction

Zeus has punished his son Apollo-god of the sun, music, archery, poetry, and more-by casting him down to earth in the form of a gawky, acne-covered sixteen-year-old mortal named Lester. The only way Apollo can reclaim his rightful place on Mount Olympus is by restoring several Oracles that have gone dark. What is affecting the Oracles, and how can Apollo/Lester do anything about them without his powers? After experiencing a series of dangerous-and frankly, humiliating-trials at Camp Half-Blood, Lester must now leave the relative safety of the demigod training ground and embark on a hair-raising journey across North America. Fortunately, what he lacks in godly graces he's gaining in new friendships-with heroes who will be very familiar to fans of the Percy Jackson and the Olympians and Heroes of Olympus series. Come along for what promises to be a harrowing, hilarious, and haiku-filled ride.

After The Son of Sobek and the Staff of Serapis. Percy , Annabeth , Carter and Sadie found out that the two worlds, The Greek gods and The Egyptain gods need to work together to fight off Gods like Setne ,who want to rule both worlds.