The Case of the Missing Museum Archives

The plans for a failed flying machine are missing from the Air and Space Museum's archives. Amal Farah's father, the assistant archivist, is being blamed. No one suspects a crime has been committed -except for Amal and her friends. With her father's job on the line, it's up to them to track down the missing plans. Can Amal and her friends get to the bottom of the museum mystery before time runs out?