The "100 Things to See in the Night Sky, Expanded Edition" by Dean Regas is a comprehensive guide to observing and identifying various celestial bodies in the night sky. Published by Adams Media Corporation in 2020, this hardcover book includes illustrations and information on planets, satellites, constellations, and more. With a focus on nature, science, and astronomy, this book is perfect for those interested in learning more about the wonders of the universe. At 256 pages long, this expanded edition offers a detailed exploration of the night sky for both beginners and experienced stargazers.