For more than thirty years, Mercer Mayer has been delighting children with stories and drawings of Little Critter, who has appeared, along with his family; his best friends, Tiger and Gator; and his teacher, Miss Kitty, in more than 200 books.In Little Critter: Just One More Pet, the lovable Little Critter finds a lost dog. Although Little Critter already has a lot of pets, he decides he has to take care of the dog until the dogb