When thirteen-year-old Keeler Moon makes the announcement to his family that he can read minds, twin sisters Ruby and Sade thinks he's literally lost his. Days after he drops the bombshell, Ackley Mudd, personal assistant to the dean of Ark Haven, a school for the highly gifted, shows up on their doorstep and whisks their brother away. The twins soon discover they, too, have special gifts, when Keeler connects with them telepathically. But his cryptic message is frightening: "I'm being held prisoner. No one is safe Beware of Dr. Chill " The tragic loss of their mother to cancer and the...