The Ringworld Engineers by Larry Niven
US$14.92
Hardcover. Condition: Near Fine, Dust Jacket: Very Good+ 1980. Holt, Rinehard and Winston. Book Club Edition.
Dust jacket protected in mylar sleeve.
The sequel to "Ringworld". Louis Wu, Speaker-to-Animals, and the Hindmost return to Ringworld. Their aim is to prevent cataclysm. In the process, they find themselves learning Ringworld's incredible secrets.