A historical overview of alien encounters, from Archbishop Agobard of Lyons's ninth-century encounter with the occupants of a "cloudship" through a January 2000 UFO sighting in Illinois. Includes both the skeptics' and the true believers' points of view.
Used availability for Eric Elfman's Almanac of Alien Encounters
June 2001 : USA Library Binding
June 2001 : USA Paperback