by Isaac Asimov
First published 1957
When a revolutionary space drive is sabotaged, space ranger David "Lucky" Starr must infiltrate the moons of Jupiter to hunt the mysterious saboteur. But the true threat may not be human at all. With lives at stake and time running out, Starr must navigate an interplanetary web of intrigue and danger to uncover the shocking truth.
Genres: science-fiction, 20th-century, adventure, action, aliens
Vibes: fast-paced, suspenseful, thought-provoking
Tropes: infiltration, intrigue
Period: 70th Century
174 pages · Paperback · Fawcett