The cycle of seasons on Earth is as interesting as it is important to the way we all live. From the cold of winter to warm summer days, it's essential to understand just what's happening and why we always have the same weather at the same time of the year. Readers will learn what the sun's rays are doing to different parts of Earth at different times as well as the importance of Earth's axis, or tilt. With great photographs, diagrams, and detailed explanations of scientific concepts, readers will love learning about our year of seasons in this book.