Thirteen-year-old Corey Fletcher is the world’s first “throwback.” He has the power to not only to travel back in time, but to change the past. It’s a power that comes with no small amount of responsibility—and when Corey tries fix some of history’s worst evils, he discovers that the consequences for his good deeds are life-shattering. Now back in the present, Corey realizes that the changes he wrought in the past have made his own existence impossible. Trapped in a body that’s not his own, his powers all but gone, Corey newest mission seems the hardest of all—to save himself. With the help of his best friend Leila, Corey’s going to have to find a way to go back to the past again to fix his own family tree without rupturing history as we know it forever. A thrilling conclusion to the Throwback trilogy.