Who—or what—is Jimmy Coates? Eleven-year-old Jimmy is on the run. The good news is that he has some amazing new abilities that let him outrun, outjump, and outkick anybody—even adults. The bad news is that mysterious men are chasing Jimmy across the city and he has no idea why. Except that it might have something to do with his new fighting capabilities. And the fact that he might not be entirely human. . . .