When the plans for the prototype of a failed flying machine go missing from the Air and Space Museum's archives, Amal's father, the assistant archivist, is blamed. No one suspects a crime has been committed -- except 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 it's too late? Discussion questions, writing prompts, a glossary, and nonfiction resources continue the reader's learning experience long after this e-book ends.

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• Print Length: 66 Pages