"Mountain-climbing prodigy Peak Marcello faces his toughest challenge yet as he descends into Tibet and goes head-to-head with an old enemy"--

Fifteen-year-old Peak Marcello is invited to participate in an "International Peace Ascent" in the Hindu Kush, with a team made up of under-eighteen-year-old climbers from around the world--but from the first something seems wrong, so when the group is attacked, and most of the climbers are either killed or kidnapped, Peak finds himself caught up in a struggle to survive, shadowed by the Shen, a mysterious snow leopard.

On the day of Henry Ludd's thirteenth birthday, the power goes out. No phones, no news, people descending in lawlessness-- and in the chaos, Henry's father has gone missing.