Simple, straightforward text paired with vibrant photos breaks down scientific concepts of galaxies, such as gravity, light-years, and orbits. Readers will learn about the different shapes and sizes of galaxies, as well as what galaxies consist of. Well-known galaxies including the Milky Way and Andromeda are highlighted. Also discussed are the discovery of galaxies and how scientists study them with telescopes and other tools. Features include a table of contents, fun facts, a glossary with phonetics, and an index. Buddy Books is an imprint of ABDO Publishing Group.