In Blue Whale: The World’s Biggest Mammal, young readers follow blue whales as they learn about their natural habitat, physical characteristics, diet, life cycle, and behavior. Age-appropriate text paired with vivid animal photographs will capture children’s attention as they discover how the world’s largest mammal adapts to its ocean environment for survival. Blue Whale: The World’s Biggest Mammal includes useful and fun learning features such as a detailed comparison diagram showing a Boeing 737 alongside an illustration of a blue whale.