Ringworld

From Author Wars - https://authorwars.com/publications/ringworld-284908.html

Overview:

Title: Ringworld
Author: Larry Niven
Year: 1988
ISBN-10: 0345333926
Publisher: Del Rey / Ballantine
Price: $4.50
Pages: 342
Binding: Paperback
Type: Novel
Title Reference: Ringworld
Notes: Twenty-seventh printing.
C$5.95 in Canada.