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 got back from their adventure in Magic Tree House #4: Pirates Past Noon, they had lots of questions. Did pirates really make people walk the plank? What was life like on a pirate ship? Is there any buried treasure...