Griffin has a secret. It's a secret that he's sworn to his parents to keep, and never tell. Griffin is a Jumper: a person who can teleport to any place he has ever been. The first time was when he was five, and his parents crossed an ocean to protect the secret. The most important time was when he was nine. That was the day that the men came to his house and murdered his parents. Griffin knows that the men were looking for him, and he must never let...