by Isaac Asimov
First published 1989
Isaac Asimov presents a collection of encounters with beings that defy human understanding. Mental parasites burrow into unsuspecting minds while extraterrestrial creatures emerge from distant worlds. Clones walk among ordinary people, their true nature hidden beneath familiar faces. Alien invaders descend upon human settlements, their monstrous forms concealing advanced intelligence. Colonists venture into unknown territories only to discover they are not alone. Each story reveals the thin boundary between civilization and chaos. The protagonists face creatures that challenge their assumptions about life, identity, and survival. Some beings come as conquerors, others as unwitting threats to human existence. The tension builds as characters confront not just physical danger but the psychological horror of encountering the truly alien. These are not simple monster stories but examinations of what happens when humanity meets the incomprehensible. The emotional core lies in how ordinary people respond when their world suddenly becomes unsafe and unfamiliar.
Genres: short-stories, science-fiction, fantasy, horror
Vibes: dark, suspenseful, thought-provoking
Tropes: alien-encounter, psychological-horror
Period: 20th-century
352 pages · Mass Market Paperback · Robinson Publishing
Content warnings: body-horror, gore