Clarke modified and fused the story with other ideas. Clarke expressed impatience with its common description as the story on which the novel and movie are based. He explained See also Encounter in the Dawn References External links "Sentinel of Eternity" at the Internet Archive Short stories by Arthur C. Clarke Space Odyssey 1951 short stories Fiction set in 1996 Short stories set on the Moon Works originally published in American magazines Works originally published in science fiction magazines Works originally published in fantasy fiction magazines Short stories adapted into films Avon Periodicals titles