Two Different Worlds, Two Heroes : Percy Jackson and Harry Potter [EDITING]

Two different worlds collide as Percy Jackson, demigod and Harry Potter, wizard comes face-to-face after having dreams about each other. They are both in the middle of a war and could just be each other's solution to saving the world. [Set in Harry Potter's fifth year and after the Olympian war in Percy Jackson, right...

Percy Goes to Hogwarts - [Percy in Hogwarts Series:Book 1] ✓

Percy gets a letter from Hogwarts asking him to attend the school for sixth year after his holidays.What happens when the two worlds crash? Takes place after the Giant War and Wizard war.