Get ready for a thrilling journey through time with Jack and Annie! The magical tree house whisks them away to colonial Philadelphia, where they come face-to-face with one of America's most famous inventors and thinkers: Benjamin Franklin. But what exactly is their mission this time? As Jack and Annie try to figure out why they've been sent to the past, they find themselves in a bustling city filled with new sights and sounds. Ben Franklin, known for his wisdom and inventions, becomes very curious about the two children. He's fascinated by their strange clothes and even more intrigued by the mysterious tree house they arrived in. Will Jack and Annie be able to keep the secret of the magic tree house safe while also learning about this incredible historical figure and the exciting world of the past? Join them as they navigate the streets of old Philadelphia and discover the wonders of history in this exciting, fact-filled adventure!