Alien: a term that is often used to refer to life forms, especially intelligent life forms, that are of extraterrestrial origin, i.e. not coming from the Earth. 2004

UFO is an acronym for Unidentified Flying Object. In a literal sense it includes any airborne object whose nature is not readily known, but more often it is applied to those cases that are believed by some to be the spaceships of extraterrestrial aliens. 2004

Mandrake Press Home Page
Mandrake Press Shop