A leopard seal is much larger and heavier than a cougar, but is size alone all the leopard seal needs to win this battle? While these animals would never meet in the wild, young readers will jump into this bizarre match up and make their own decision. With vivid photographs of these animals paired with approachable text, readers will learn how both species have adapted to their natural habitat. Young readers are encouraged to think critically about what they have learned as they pick a winner in this battle.