In "The Three ??? Kids – The Dino Secret," Justus, Peter, and Bob take readers on an exciting adventure in Rocky Beach. During the excavation of a nearly complete dinosaur skeleton led by Dr. Ellen Everett, the mood is dampened by an anonymous threatening letter. When the valuable dinosaur skull goes missing, panic ensues among those involved. The three detectives begin their investigation and uncover clues that lead them to an old tunnel system beneath an abandoned barn. In addition to the gripping story, the audiobook also features interesting informational pages that are vividly explained by the three detectives. Full-color illustrations and photos bring the knowledge about dinosaurs to life and spark interest in the prehistoric world.