Professor Kompressor visits Walter's family, offering a remedy for the dog's digestive disorder: special food that must be mixed in his Kompressatron. Unfortuna

Professor Kompressor has a cure for Walter the farting dog's "digestive Disorder." He shows Mother how to mix a special formula for Walter in his Kompressatron.

Have you ever heard a fart that could save the day? In this New York Times bestselling kids book, every toot tells a funny tale! Over one million copies sold an

Walter the Farting Dog is now a hero of the high seas! Everybody is having a great time on a cruise . . . until a terrible odor permeates the ship. All signs po

Selected by The New York Times Book Review as a Notable Book of the Year A revelatory tale of science, adventure, and modern myth. When the writer Donovan Hohn