This collection, originally published in 1953, includes: • "Second Dawn" • "
If I Forget Thee, Oh Earth" • "
Breaking Strain" • "
History Lesson" (as "Expedition to Earth" in the British Edition,
Sidgwick & Jackson, 1954) • "
Superiority" • "
Exile of the Eons" (as "Nemesis" in the British Edition,
Sidgwick & Jackson, 1954) • "Hide-and-Seek": first published in 1949 in the magazine
Astounding Science Fiction. The story tells of an incident during an interplanetary war in which a lone human evades a hostile spaceship by landing on the moon
Phobos. The similarity to
CS Forester's
Brown on Resolution has been pointed out, but Clarke said that he had not read Forester's story. Clarke himself pointed to a similarity with the film
Murphy's War. • "
Expedition to Earth" (as "Encounter in the Dawn" in the British Edition,
Sidgwick & Jackson, 1954) • "
Loophole" • "
Inheritance" • "
The Sentinel" ==Reception==