Note there is a short story called "The Sentinel", too (also included in this collection). Here is the complete list of all the 10 stories in this collection:
- "Rescue Party", Astounding Science-Fiction, May 1946: Clarke's first published story; also see note on "first published" near the end of my review article. And a smaller version of "The Songs of Distant Earth" (novel); but Songs (novel) itself comes from Songs (short story)! I haven't read the Songs (short story).
- "Guardian Angel" (B): Prelude to "Childhood's End" (novel). Godlike (or rather, devil like) aliens subdue humanity.
- "Breaking Strain", Thrilling Wonder Stories, December 1949; originally published under the title "Thirty Seconds - Thirty -Days": Only one of the two men can live. Who should? Who will? This story was one of the inspirations for the well known novel "2001 A Space Odyssey"; see remarks with my review of "Breaking Strain".
- "The Sentinel" (short story); Written "over Christmas 1948 for a BBC competition", & originally published in 10 Story Fantasy, spring 1951, under the title "Sentinel of Eternity": Aliens watching the development of intelligent life on earth have left a beacon on moon. "This is the starting point of 2001: A Space Odyssey", according to Clarke's introduction to the story.
- "Jupiter Five", If, May 1953: A shorter version of "Rendezvous with Rama". A huge alien spacecraft is found parked in the Jupiter system; it belongs to long extinct aliens.
- [novelette] "The Wind from the Sun" (A); "First published in Boy's Life, March 1964, as 'Sunjammer'"; racing: Solar sail power interstellar vehicle!
- [novella] "A Meeting with Medusa" (A); Playboy, December 1971: Exploring the upper atmosphere of Jupiter in a manned vehicle.
- "The Songs of Distant Earth" (same as novel?):
The Sentinel, collection, review
Author: Arthur C Clarke
First published: 1948
PS: I haven't personally seen this book; list of stories above was picked up from the net. I include this collection here so I know the stuff I have not yet read.