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…
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…