Leave, Earthmen—Or Die!

Leave, Earthmen—Or Die! is a science fiction novel by John Massie Davis, written in the early 1950s. The story explores the complex interactions between human explorers and an alien civilization, focusing on themes of colonization and the ethical implications of invasion. It follows three human explorers as they navigate the psychological effects of communication across species, particularly through familiar voices that resonate with their personal lives. This work is notable for its early examination of human-alien encounters and the moral dilemmas they entail.