Ratchet and Stench - Animal Slueths — Robert A. Webster

Dog Gone Mystery When Cruft's Best of Breeds Champion mysteriously disappears; the finger of suspicion points at the owner of a rival kennel. Somerset police find the missing Scottish terrier's dermal tracker, but cannot find further evidence of a crime. Having no proof they are unable to do anything and drop any investigations. The other dogs call in Ratchet and Stench, and even though they uncover clues that suggest a brutal murder, the animal sleuths aren't convinced