The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system!<br> <br> Cannon fire! That's what Jack and Annie hear when the Magic Tree House whisks them back to the time of the American Civil War. There they meet a famous nurse named Clara Barton and do their best to help wounded soldiers. It is their hardest journey in time yet-and the one that will make the most difference to their own lives!<br> <br> Did you know that there's a Magic Tree House book for every kid?<br> <br> Magic Tree House- Adventures with Jack and Annie, perfect for readers who are just beginning chapter books <br> Merlin Missions- More challenging adventures for the experienced reader<br> Super Edition- A longer and more dangerous adventure<br> Fact Trackers- Nonfiction companions to your favorite Magic Tree House adventures |