Return to Zero by Pittacus Lore

Set in the pulse-pounding world of I Am Number Four, this fast-paced action-packed thriller follows the gifted students of The Human Garde Academy.

When teenagers around the globe develop new superpowers - new Legacies, the Garde create an Academy where they can develop their gifts safely and a group of friends dubbed 'Fugitive Six' banded together to ensure the Academy's continued safety.

But a mysterious organisation is threatening everything they stand for. An organisation that was behind the disappearance of numerous gifted teens. An organisation much closer to home than they think.