Jack Williams and the Black Phoenix

Jack Williams is a demigod. When he meets Natalie and Asher, they are sent on a quest together to find the legendary Black Phoenix Nightstar. But not only the Olympians are after the Black Phoenix, and now Jack has to get there before they do, or else the war for the Olympians is over. They lose. Game over. I'm horrible at summaries, the real story is great! Rated T for Greek stuff