The #1 bestselling Magic Tree House series is ready to whisk you away through time with Jack and Annie—this time to the snowy mountains of Nepal! The magic tree house has whisked Jack and Annie to the Himalayas in Nepal. They’re searching for the mysterious Gray Ghost. Well, they’re supposed to be. Jack does not want to find a ghost. But he and Annie are excited about all the amazing animals they see. So excited, in fact, that Annie and Jack get lost in the mountains! Can they make their way to safety before the Gray Ghost finds them? Did you know that there's a Magic Tree House book for every kid? Magic Tree House: Perfect for readers who are just beginning chapter books Merlin Missions: More challenging adventures for the experienced reader Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures If you're looking for Merlin Mission #36: Blizzard of the Blue Moon , it was renumbered as part of the rebrand in 2017 as Merlin Mission #8.