The killer's not packing a gun. He's riding a snowboard ... Fourteen-year-old Trennon is the hottest snowboarder on the hill. He busts eye-popping McTwists, backside Rodeos, and crunchy Burger Flips like a snow-shredding demon. But Trennon's facing threats more terrifying than head-spinning jumps and bone-snapping halfpipes. He's stumbled across a secret that threatens every rider on the mountain. And now he's riding into danger--danger that could...