Ringworld

From Author Wars - https://authorwars.com/books/ringworld-1651946.html

Overview:

Title: Ringworld
Author: Ken Ford
Year: 1975
Type: Reviews

Editions/Publications:

Unknown. SF Commentary, #41/42 (Unknown, Ken Ford, Bruce Gillespie, A$0.60, 106 pages, A4, FANZINE)
Unknown. SF Commentary, #41/42 (Unknown, Larry Niven, Bruce Gillespie, A$0.60, 106 pages, A4, FANZINE)