Explore 12 out-of-this-world topics about alien sightings and extra-terrestrial encounters, including famous reports, government investigators, and the UFO highway along the 37th Parallel. Statistics and sidebars illuminate the content, while critical thinking questions encourage students to dig deeper. Includes table of contents, glossary, bibliography, index. Plus, find up-to-date, editor-curated online content including news, a full digital ebook, and live content feeds at 12StoryLibrary.com.