About the Book Working on a Hollywood set, Hayleys seen all kinds of creepy special effects. When she comes across what appears to be a dead body under a sheet at Silver Screen Studios, though, shes sure shes found evidence of a real crime! But when she brings the security guard back to the scene, the body has vanished, and it seems someone in the cast or crew is playing a mysterious prank. Could the culprit be the shows latest guest star, whos famous for his vampire films? Its up to Hayley and her two best friends to find out! Book Synopsis The third book in an exciting new middle grade mystery series from actress, artist, and social star Hayley LeBlanc! In Hayley Mysteries: The Secret on Set , Hayley has the lead role in a TV show about a young detective, and when strange things happen around the studio, she and her friends become real-life sleuths. Now Hayley and her co-stars investigate their most spine-chilling case yet! Working on a Hollywood set, Hayleys seen all kinds of creepy special effects. When she comes across what appears to be a dead body under a sheet at Silver Screen Studios, though, shes sure shes found evidence of a real crime! But when she brings the security guard back to the scene, the body has vanished, and it seems someone in the cast or crew is playing a mysterious prank. Could the culprit be the shows latest guest star, whos famous for his vampire films? Its up to Hayley and her two best friends to find out! The perfect choice for anyone looking for mystery books for kids 9-12! Review Quotes Young readers looking for their next mystery series, with a touch of TV glamor, will enjoy this story of friendship and growing up -- School Library Journal