*** NEW free study guide written by the author: www.kristianagregory.com ***Jeff, David, and Claire love their winter break jobs at the ski chalet on Blue Mountain, where they get to snowboard and go sledding between shifts of cleaning and tending to the grounds. But when things start going missing from the chalet, the cousins find themselves prime suspects. Can they solve the mystery before they get ski-lifted out of their winter wonderland? Or will trying to solve the case make them the frosty culprit's next target?