The plans for a historic flying machine vanish from the Air and Space Museum archives, and Amal Farah’s father is blamed. No one else seems sure a crime has happened, but Amal and her friends know the missing plans did not simply walk away. With her father’s job at risk, Amal must look closely at the museum, the archives, and the people around them. The case mixes history, invention, and a race to find proof before the wrong person takes the fall. For Amal, solving the mystery is not just exciting; it is personal. Young mystery fans will find a clue-filled chapter book with real stakes and a strong team of kid detectives. It is especially appealing for readers who enjoy museums, aviation history, and puzzles that require both courage and careful thinking. Young readers also get a satisfying look at how archives protect fragile pieces of history.