A brief examination in text and illustration of reports of UFO sightings with some possible explanations about the origin and purpose of these mysterious objects.
A brief examination in text and illustration of reports of UFO sightings with some possible explanations about the origin and purpose of these mysterious objects.
A study of undersea oil exploration and discovery, illustrated with fullcolor drawings and photographs, illuminates the problems and questions confronting present-day society in its search for new sources of oil