From theNew York Times bestselling author ofPete the Cat: I Love my White Shoes, this book isEveryone Poops andOnce Upon a Potty with a sing-along twist.From bestselling author and musician Eric Litwin comes a satisfyingly silly song about a topic kids find hilarious and parents find necessary. "Everybody's pooping all day long. That's why we sing the pooping song!" Find out how cats, pelicans, space aliens, and even dinosaurs poop in this rollicking, rhyming verse that's sur