From flying saucers and supersonic spaceships, to alien encounters and famous fakes, this classic title traces UFOs throughout history. First published in 1977, this is the second book from Usborne's World of the Unknown series to be back by popular demand. With a foreword by impressionist Jon Culsh...

From flying saucers and supersonic spaceships, to alien encounters and famous fakes, this classic title traces UFOs throughout history. First published in 1977, this is the second book from Usborne's World of the Unknown series to be back by popular demand. With a foreword by impressionist Jon Culshaw.