This is the fourth installment in the thrilling, action-packed New York Times bestselling I Am Number Four series

After facing off with the Mogadorian ruler and almost being annihilated at the end of The Rise of Nine, the Garde now realize that they are drastically unprepared and hopelessly outgunned. They must master their Legacies and learn to work together as a team, or they won't stand a chance. The battle may have been lost, but the war for Earth's survival is far from over.