Larry Niven's Universe
From Author Wars - https://authorwars.com/publications/larry-nivens-universe-695587.html
Overview:
- Title: Larry Niven's Universe
- Author: Larry Niven
- Year: Unknown
- Publisher: Ballantine Books
- Price: $6.50
- Pages: 188, 254, 285, 342
- Binding: Paperback
- Type: Omnibus
- Title Reference: Ringworld
- Notes: Box set with four books of the Known Space universe.