The Garde is hopelessly outmatched by the annihilating Mogadorian ruler and draws unexpectedly close to finding the last remaining member of their group of alien survivors.

When Taylor Cook develops incredible abilities, she finds herself at the Human Garde Academy, where the Loric are training the new generation of Garde to control her powers.

With their allegiances divided and the United Nations about to take drastic measures to control them, the students at the Academy are forced to fight back, even as a new and more dangerous threat reveals itself.

After facing off with the Mogadorian ruler and almost being annihilated, the Garde go into hiding. They must learn to master their Legacies and learn to work together as a team. When they receive a sign from Number Five, a crop circle in the shape of a Loric symbol, they know they are close to being reunited. But could it be a trap? Time is running out, and the only thing they know for certain is that they have to get to Five before it's too late....

The Garde, broken and divided, discover that the Mogadorians have commenced their ultimate invasion plans and will stop at nothing to thwart it.

The fifth book of the #1 New York Times bestselling I Am Number Four series!

The Garde have suffered an unbearable loss. Number Five has betrayed them. Eight is gone forever. Ella has been kidnapped. The others are now scattered.

In Chicago, John makes the unlikeliest of allies: a Mogadorian named Adam, who has switched sides. Adam knows the Mogs secrets, and he knows where to hit them: their command base near Washington,

...