Rough Weather Ahead for Walter the Farting Dog is the third in a bestselling series by authors William Kotzwinkle, Glenn Murray, and Elizabeth Gundy, and illustrator Audrey Colman about the titular gassy canine. In this installment, Professor Kompressor claims to have a secret formula to stop Walter’s flatulence. Father and Mother think it’s working perfectly, but the farts are just building up inside, turning Walter into a blimp! One night he floats away from home! He floats to the edge of town, before he finds a way to get down, saving some frozen butterflies in the process. Finally his owners accept him for the wonder dog that he is!