Doggie pals PJ (Little Dog) and Scout (Big Dog) are out on another adventure, this one taking them to a gigantic showing of DINOSAURS at the museum in the big city far from home. First they must devise a plan to safely get to the big city....but wait! They have forgotten that they must also get back home! Join Big Dog and Little Dog as they cleverly get appointed as museum 'Service Dogs' and are assigned to be special guides for all the visiting children and families who love the two pups and their knowledge about dinosaurs and prehistoric Earth. This is the Ninth Installment of the Big Dog.....Little Dog Series all focusing on family reading time - bedtime, vacations, camping, trips - as an educational and fun alternative to cyber devices and screen time. Each story has a distinctive moral focus, and the stories are educational and wholesome for childhood development.