Rider Woofson, Rora Goodog, Westie Barker, and Ziggy Fluffenstuff form the PI Pack, determined the solve the crimes that are happening all around them. And while Pawston Elementary might have an unusually high number of super sleuths for one school, it also has an unusually high amount of criminal activity happening! Join the pups as they search for a missing sacred scroll, meet a hypnotizing new student, and go an action-packed field trip to Mystery Mountain! This thrilling collection includes: Ghosts, Goblins, and Ninjas!, The Missing Magic Wand, and Mystery Mountain Getaway.