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

In the beginning, nine aliens left their home planet Lorien when it fell under attack by the evil Mogadorians. They scattered on Earth and went into hiding. They look like ordinary teenagers but have extraordinary powers. The Mogs have come for them. They killed Number One in Malaysia, Number Two in England, and

...

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...

For years the Garde have fought the Mogadorians in secret, but now the invasion has begun. If the Garde can't find a way to stop the Mogs, humanity will suffer the same fate as the Lorien: annihilation. When the Elders sent the Garde to Earth, they had a plan -- one which the Garde are finally starting to understand. A group of the Garde traveled to an ancient pyramid in Mexico where they awoke a power that had been hidden for generations. Now this...

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.

"When the United Nations takes drastic measures against the Human Garde to keep them in check, the students at the Academy must go on the offensive while those who have defected face off against a new and equally dangerous threat"--