Questions tagged [alien-invasion]

An alien invasion refers to the invasion of one planet by another species.

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Old science fiction book about an alien invasion thwarted by robot-made ghosts

I read a sci-fi book about 30 years ago about a war with another race where a plant extract put the entire earth population asleep, except for one guy who used robots to create "ghosts" which scared ...
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Short story describing an alien invasion where humans are the invaders

I've been searching most of the morning, trying to identify a short story I read in an elementary school English textbook. The story is the first-person account of a soldier fighting off an alien ...

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