Paperback
Book #4 of the Lorien Legacies
Author: Pittacus Lore
Genre: Science fiction
Year published: 2013
 
The story follows John Smith (Number Four) and the remaining members of the Garde as they regroup and search for the elusive Number Five. The Garde must confront their growing doubts and prepare for an intense battle against the Mogadorians. Along the way, they develop their Legacies and learn to work together, but the stakes are higher than ever as their enemy grows stonger.