Get ready for a thrilling journey through time with Jack and Annie! One snowy Wednesday, the magical tree house transports them straight into the heart of the American Revolutionary War. It's a dark and freezing night, and General George Washington is about to lead his army in a daring, secret attack. But a terrible winter storm is raging, making the general doubt his crucial plans. Can Jack and Annie brave the treacherous weather and help General Washington make his famous crossing of the Delaware River? The fate of a young nation hangs in the balance, and these two siblings must use their wits and courage to keep history on track. This exciting chapter book adventure brings a pivotal moment in American history to life, inviting young readers aged 6 to 8 to discover the bravery and challenges of the past alongside their favorite time-traveling duo.