Track the facts about cowboys, ghost towns, outlaws, and more! When Jack and Annie came back from their adventure in Magic Tree House #10: Ghost Town at Sundown , they had lots of questions. What is a ghost town? Why do we call the Old West wild? What are cowboys? Who was Billy the Kid? Find out the answers to these questions and more as Jack and Annie track the facts about the American West.Filled with up-to-date information, photographs, illustrations, and fun tidbits from Jack and Annie, the Magic Tree House Fact Trackers are the perfect way for kids to find out more about the topics they discover in their favorite Magic Tree House adventures.Did you know that there's a Magic Tree House book for every kid?Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter booksMerlin Missions: More challenging adventures for the experienced readerSuper Edition: A longer and more dangerous adventureFact Trackers: Nonfiction companions to your favorite Magic Tree House adventures Have more fun with Jack and Annie at MagicTreeHouse.com!