Carter Kane and his sister must prevent the chaos snake Apophis from breaking free in a few days' time or the world will come to an end. To have any chance of battling these Forces of Chaos, the Kanes must revive the sun god Ra.

Despite their best efforts, Carter and Sade Kane can't seem to keep Apophis, the chaos snake, down. Their only hope: find an ancient spell that might turn the serpent's own shadow into a weapon.

In their first encounter, demigod Percy Jackson and magician Carter Kane had to battle a giant crocodile on Long Island. A month later, Annabeth Chase ran into Carter's sister, Sadie, on the A train to Rockaway, where the pair fought a god named Serapis. Now trouble is brewing again, this time on Governor's Island. An ancient Egyptian magician named Setne has come back from the dead and is experimenting with Egyptian and Greek magic, trying to become...

"A guide to Ancient Egyptian deities and creatures and Carter and Sadie Kane's world of magic"--