Originally published in Galaxy Science Fiction under the title Misbegotten Missionary, this classic Isaac Asimov story is a compact tale of alien intelligence, human individuality, and planetary survival. On Saybrook's Planet, life is not divided into separate beings as humanity understands them, but joined in a single vast consciousness. To that world, isolated minds are broken fragments in need of healing-and its "missionary" impulse may become the greatest danger Earth has ever faced.
Written during Asimov's formative golden-age period, Misbegotten Missionary combines biological speculation, alien psychology, and a cleanly engineered suspense structure. It is a strong example of mid-century science fiction's fascination with first contact, collective intelligence, and the uneasy boundary between salvation and invasion. The story was later widely known as Green Patches, but its original title preserves the ironic edge of Asimov's premise: a creature that may be benevolent by its own lights, yet catastrophic by human ones.
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