The Secret of the Lady Ghost: (The Decoders)
Alba Arango, author
Steve, Matt, and Jenny thought their detective skills would be given a rest when they agreed to be extras for a movie. Upon arriving at the movie site, the trio learns that someone has been breaking equipment and causing damage around the set. Determined to find the saboteur, the young detectives begin their investigation only to come face to face with the last thing in the world they expected—a ghost!