About the book:-
In the newest Magic Tree House adventure, Jack and Annie are whisked back to the Civil War where they meet Clara Barton and save the life of their very own great-great-great-grand-father.Jack and Annie are ready for their next fantasy adventure in the bestselling middle-grade series--the Magic Tree House
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 in magic tree house. TITLE:-