There's so much to learn about the world around us! Whether it's the inner workings of the human body, the mechanics of flight, or the vastness of outer space, science topics often inspire curiosity, enthusiasm, and a desire to learn more. Readers dive deeper into these and many other common curriculum topics--from biology and prehistory to physics and environmental science--with the help of detailed text that provides a comprehensive overview of each subject. Eye-catching sidebars call out exciting pieces of additional information, and both photographs and impressive illustrations are used to enhance this learning experience.