This is the seventh book of the Time Travel Kids Series. This time, Emily and Jake land in Kitty Hawk, North Carolina in 1903. After a few moments, they remember that was the town that the Wright Brothers invented the airplane. They met Wilbur who was discouraged and ready to quit. The kids pleaded with he and Orville to not give up They left thinking that the Wright Brothers would be successful. After the kids got back home, they wondered if the Wright Brothers did succeed. There were no planes in the sky and no airport sign where it had always been. Their work was not finished. The people of the world. must be able to travel by airplane. What will they do?