Aliens: The World’s Leading Scientists on the Search for Extraterrestrial Life

We don’t know one way or another whether life really exists outside our solar system but in the last 20 years, real scientific interest & research into E.T., A.I., and S.E.T.I. (search for extra-terrestrial intelligence) has intensified. Comprised of essays from leading scientists in these fields, this book explores the current state of the hunt for alien life.