Poul Anderson · 1965 · Novel
Setting: near future
It was the gift of a dying civilization. Light could enter it, but no weapon known to man could penetrate its field. The Martians had given it to Koskinen because, alone among Earthmen, they trusted him. It made him the most protected man on Earth.
Source: OpenLibrary
Tags: Science fictionAmerican Science fiction
isfdb_id: 5341
openlibrary_id: OL90563W
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