Flying Saucers. The Startling Evidence of the Invasion From Outer Space

Chicago: Signet. 1962, 1966 - 287 c. На английском языке. СканОдна из первых книг где была сделана попытка систематизировать явления НЛО.
Here at last are authenticated reports on saucer sightings by reliable eyewitnesses across the world - undeniable evidence th at the earth is being systematically explored and studied by beings in alien spacecraft .