A fabulously funny picture book about two constantly bickering baby dinosaurs with a brilliant and unexpected twist at the end—perfect for squabbling siblingsRotten and Rascal are quarreling twin baby pterosaurs who yell, shout, screech, howl, scream, and snarl at each other all day long. One day a terrible argument begins and one by one the other dinosaurs try to resolve their noisy dispute. But the two terrible pterosaur twins prove impossible to shut up. Until, that is, the terrifying Tyrannosaurus Rex steps in and finally silences them.