Other editions of book Aliens

Learn about reports of alien sightings, efforts to contact extraterrestrials, and the scientific search for life beyond our galaxy. A full description of the mystery, possible explanations, and remaining questions are all explored. 'Myth or Fact?' sidebars describe common misconceptions and confirm surprising facts. Additional features include a table of contents, a glossary of key words and phrases, sources for further research, and an introduction to the author.