Earth is often called the Blue Planet because it is covered with water. However, our planet is about 30 percent land, which is divided into seven continents. This title encourages readers to explore Earth?s continents and discover what makes each of them unique. Through age-appropriate text and engaging visuals, readers will learn about the continents? geography, landforms, climates, and wildlife. Readers also learn how the continents? unique features have influenced human development. This exciting earth science title will reinforce essential elementary science concepts.