The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system! Getting the facts behind the fiction has never looked better. Track the facts with Jack and Annie!!When Jack and Annie came back from their adventure inMagic Tree House #5: Night of the Ninjas,they had lots of questions. What did it mean to be a ninja or a samurai? Did they really have special abilities? What was life like for them in ancient Japan? Find out the answers to these questions and more as Jack and Annie track the facts behind some of history's most intriguing and secretive figures.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. And teachers can use Fact Trackers alongside their Magic Tree House fiction...