UFOs (A True Book: Space Exploration)

From the first time a person looked up at the sky and wondered "What's out there?" humans have dreamed about exploring the cosmos.

Over the years, there have been hundreds of reports of UFO (or unidentified flying object) sightings-which the U.S. government seemed to ignore. But a recently released Pentagon report tells a different story. For five years, a secret government agency was tracking and investigating these sightings. Now, in the pages of this book, the details of that report can b...