The Ringworld Engineers

From Author Wars - https://authorwars.com/publications/the-ringworld-engineers-377008.html

Overview:

Title: The Ringworld Engineers
Author: Larry Niven
Year: 1990
ISBN-10: 0708880746
Publisher: Orbit
Price: £3.99
Pages: xiii+354
Binding: Paperback
Type: Novel
Title Reference: The Ringworld Engineers
Notes: 8th reprint.
Printing history: First Orbit edition 1981,reprinted 1981,1982 (twice),1984,1987,1988,1989,1990.
Cover is signed "PAJ 80 (C) Solar Wind"
Australian price A$10.95