Eight monstrous mammals battle it out in this exciting bind-up featuring four Who Would Win 63 books in this action-packed animal series! Which dangerous animals would win in a fight? Find out in this awesome bind-up of four books in the popular Who Would Win 63 series. The collection features a range of mammal battles to satisfy all kinds of animal fans, including Coyote vs. Dingo, Lion vs. Tiger, Rhino vs. Hippo, and Walrus vs. Elephant Seal. Kids will learn about each animal's anatomy, behavior, and more long side photos, charts, illustrations, and amazing facts.