Pup detectives. Volume 1, The first case

"Puppy PI Rider Woofson thought he was the only detective at Pawston Elementary, but while bringing down a pencil theft ring, he finds out that there are other super sleuths at school. Fortunately (or not!) there's plenty of pet-ty crime happening at Pawston, so Rider joins forces with the other puppy PIs to form the PI Pack--the best (and only!) detective group at school. Their first case is high stakes because it hits every student in the belly...