What did the cow dung say to the flies? "Dinner's on me!" This book introduces readers to side-splitting puns and knock-knock jokes that are definitely disgusting. With age-appropriate humor and exciting facts, this book is sure to appeal to young readers who laugh out loud at all things gross. Readers will enjoy bright illustrations and photographs, which pair perfectly with the jokes and corresponding fun facts. Readers will delight in learning the science behind sneezes and scat, all while laughing at wonderfully weird wordplay.