This story is set in the distant future of earth. The main character is a young man who is sent on a quest to find a better place for his tribe to live. He eventually accomplished far more than he set out to do. Including finding artifacts from the far past (a space ship).

Ace F-165

Paperback / 1962
First Printing
One Half of Ace Double
Cover Artist: Ed Emshwiller

Tor 48511-5

Paperback / 1981
As THE CACHE including
Rastignac the Devil and
They Twinkled Like Jewels
Cover Artist: Eric Ladd

Tor 53755-6

Paperback / 1986
As THE CACHE including
Rastignac the Devil and
They Twinkled Like Jewels
Cover Artist: Eric Ladd