Novella
Danger in the Darkest Hour
- by Mary Pope Osborne
- (Random House, January 2015) [print · e-book]
The magic tree house takes Jack and Annie back in time to England in 1944, where the country is fighting for its life in World War II. Before long, Jack and Annie find themselves parachuting to Normandy, France, behind enemy lines, and they realize that they’ve arrived on the day before D-Day. Will the brave brother and sister be able to make a difference during one of the darkest times in history? —based on fandom.com