
On a distant world where night falls in moments and sleep comes in four‑hour bursts, a seasoned guardian named MacMartree gathers his squad around a faint force‑screen. The patrol’s camp, perched on a gentle hill, feels both isolated and oddly routine, as the men joke about boredom while the planet’s alien horizon glows beneath a dying sun. Their nightly watch is a delicate balance of camaraderie, habit, and the quiet hum of technology that keeps the unknown at bay.
MacMartree uses the downtime to remind the younger crew of humanity’s vast reach—how a species once bound to Earth now seeds distant moons with grass and guards them against invisible dangers. The conversation drifts from ancient wars to the modern confidence that any threat can be detected and neutralized before it becomes a problem. Yet the men remain uneasy, questioning why such vigilance is necessary when the world seems so tranquil.
The story unfolds as the patrol confronts the uneasy gap between the comfort of routine and the lingering mystery of what might still lurk beyond the thin veil of their protecting screen.
Language
en
Duration
~20 minutes (19K characters)
Publisher of text edition
Project Gutenberg
Original publisher
United States: Greenleaf Publishing Company, 1952.
Credits
Greg Weeks, Mary Meehan and the Online Distributed Proofreading Team at http://www.pgdp.net
Release date
2021-07-26
Rights
Public domain in the USA.
Subjects

1921–2017
A provocative mid-century publisher and pulp writer, he helped shape the world of adult paperbacks and magazine publishing in Chicago. His career mixed science fiction fandom, paperback entrepreneurship, and a long legal fight over censorship that made him a notable figure in publishing history.
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