Nobody Saw the Ship

"Nobody Saw the Ship" by Murray Leinster is a tense science fiction novelette that examines first contact from a detached perspective, as an alien scout secretly investigates Earth for vital biological resources. The story unfolds through a deliberate and unsettling quest for a rare hormone, involving brutal experimentation on wildlife, leading to a thought-provoking exploration of alien morality and humanity’s fragile position in an indifferent universe.