Chapter 1: That is Not a Dog

*INCOMPLETE*

Two different book series happen to cross each other's path in London. Percy, Nico, Annabeth, and Tyson are on a quest. Jace, Clary, Alec, Isabelle, and Magnus are there to kill the strangest demon the Clave has ever heard of. What happens when the demigod and shadow worlds become known to each other?

RIGHTS TO CASSANDRA CLARE AND RICK RIORDAN/GREEK MYTHOLOGY! I ALSO WROTE THIS BEFORE TSA, TDA, TLH, AND MAGNUS CHASE HAVE FINISHED/COME OUT PLEASE DON'T HURT ME!

ALSO, CREDIT FOR THE COVER GOES TO VIRIA AND CASSANDRA JEAN, I JUST EDITED IT TOGETHER! DONT THINK I DREW THEM!