Book One: After the Giant War. After a war, Percy Jackson Son of Poseidon goes missing.
The following summer, two mysterious figures showed up on Half-Blood Hill.
In twists and turns, the truth comes out.
The truth is, the Olympians have a secret about a select few demi-gods.
With an OC character.
I don't own Percy Jackson.
Published and Edited: December 25, 2015.