Introducing our new Nightlight Detective books for junior detectives everywhere! Young readers use the punch-out paper "flashlight" to illuminate clues hidden in the art on plastic see-through pages. Clever stories and appealing art make Sergeant Sally's adventures irresistible! Who stole the dinosaur bones? Junior detectives help Sergeant Sally crack the case by slipping the Nightlight Detective paper flashlight under each plastic page to light up the clues as the story unfolds. Ages 4 to 9. Includes 8 acetate pages of see-through art.