Ringworld / [electronic resource] Larry Niven.
Material type: TextPublication details: New York : Ballantine Books, c1970.Edition: 1st edDescription: 342 p. ; 18 cmISBN:- 0345333926 (pbk.)
- 9780345333926 (pbk.)
- PS3564.I9 R56 1970b
"A Del Rey book."
Two humans and two aliens, who are traveling to distant reaches of space to prevent a future catastrophe, crash on a ringworld apparently created by superior technologies.
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