Photographs and brief text present different kinds of trains and their cars: passenger trains, mountain trains, freight trains, diesel locomotives, gondolas, hopper cars, tank cars, and more.

Describes the heart, blood, and other parts of the body's circulatory system and explains how each component functions.

Award-winning science writer Seymour Simon explores the farthest reaches of space in the brand-new Exoplanets! There are thousands of exoplanets scattered throughout the Milky Way galaxy, and scientists are on a constant quest to find one just like Earth. In Exoplanets, Simon examines the planets outside of our solar system and uncovers what makes them habitable, our efforts to discover new life, and more. With clear, simple text and stunning full-color...