Disaster strikes in this spellbinding conclusion to Gordon Korman's thrilling Everest trilogy.

Four kids are prepared to go into thin air in order to become the youngest person ever to climb Everest. But they are not prepared for the challenges that await them as they get closer to the summit. Supplies are low. Conditions are extreme. One of the kids is trying to sabotage the others.
And then the storm hits. . . .