BOOK #1 in the MONSTER KID DETECTIVE SQUAD series!Elsie Frankenstein, a super-strong young monster in Frightsville, knows her classmate Benita when she comes to the Monster Kid Detective Squad with a problem, so she takes the case right away. Benita tells Elsie that dogs are disappearing from the Dog Park-but it's not as simple as that. All the dogs that are missing are stuffed animals. Where are they going? And is anyone at the crowded dog park a culprit?Now Elsie and Benita are chasing suspects and chasing down leads to find out what happened to so many kids' stuffed friends. Can they get all the animals safely back in their owner's arms?