Ringworld by Larry Niven. Technically you should start with Neutron Star by the same author, but if you're not familiar with the Known Space universe, I don't

Ringworld by Larry Niven. Technically you should start with Neutron Star by the same author, but if you're not familiar with the Known Space universe, I don't think it's a big deal to start with Ringworld. One of the few Sci Fi novels to win both the Hugo and Nebula awards in the same year! https://news.larryniven.net/concordance/content.asp?page=Reading%20Order https://news.larryniven.net/concordance/content.asp?page=Rea...