The sixth and penultimate book in the #1 New York Times bestselling I Am Number Four series! For years the Garde have fought the Mogadorians in secret, but now the invasion has begun.
John is on the front lines in New York City. The odds may be stacked against him, but his best friend, Sam, has inexplicably developed a Legacy despite being human and he isn t the only one. As the pair tracks down Five and Nine amidst the chaos, they encounter another teen with powers. Whether she is a friend or a foe, however, remains to be seen.
Meanwhile, Six, Marina, and Adam are trapped in Mexico. They fought their way into the Sanctuary and were able to awaken the force hidden within, but they don t have any way to reach the others and the Mogs are coming for them in full force.