In the twenty-first book of the Critter Club series, Amy discovers she has a real knack for training puppies. But when she takes on too many puppy clients, things get out of hand-or paw! When Amy meets the owner of a brand-new puppy at her mom's vet clinic, she agrees to help the woman train her new pet. Amy does such a great job, she starts getting calls from more puppy owners! Things go great for a while, but soon, Amy is in way over her head. She...