The Hollywood Intrigue #9 (Agatha: Girl of Mystery)

"A producer and his cast are in Hollywood filming a new movie, Fatal Error, when suspicious things start happening on set. The producer is convinced that someone is trying to prevent the film being made, so Agatha Mistery and her cousin Dash are enlisted to find the saboteur. Together with their stuntman uncle, they must find the culprit before things go too far"-- prrovided by publisher