The clock is still ticking...Luke thought he knew who his enemies were. But then he wakes up strapped to a metal chair in an underground lab. There are more enemies - and they've been waiting his whole life to track him down. Meanwhile, up on the surface, the people of Phoenix are beginning to disappear. But the worst is still to come. Deep under Phoenix, Luke will uncover a secret that changes everything. There are now just 49 days until the end of the world.

 

This is volume 4 in The Phoenix Files .

There are 320 pages in this book. This book was published 2012 by Scholastic .