It was a friendly visit until a priceless artifact was stolen. Now they're up to their necks in secrets that can kill. It's not just any holiday season in the immortal world. Elder Zhang's oldest servant is reaching the century mark, and Ben and Tenzin are ready to celebrate, but no sooner do they land on Penglai Island than a mystery falls in their path. A valuable seal has gone missing, and the artifact was a gift from an ancient...