0When Bingo and Rolly's cat sister, Hissy, has a bad morning, the pups decide to make it their mission to give Hissy the best day ever. But they take her to their favorite places, which turn out to be her least favorite places of all. Will the puppies be able to turn Hissy's frown upside down? Find out in this pre-level 1 reader that comes with a sheet of fun stickers