Condition: Acceptable. Please see the images for more details.
Blurb: “A revised version of THE ASTRONAUTS MUST NOT LAND (1963). It isn't every day that the impossible happens. But when it does, and you're a witness, you have to start looking for answers. The authorities won't talk. So you decide to find out for yourself. That's what Drummond did. And when he found out. it changed the universe!”