Ringworld's Children
Larry Niven
Ringworld (4)
The Ringworld Throne
Ringworld (3)
The Ringworld Engineers
Ringworld (2)
Ringworld
Ringworld (1)
The Mote in God's Eye
Larry Niven & Jerry Pournelle
Man-Kzin Wars XII
Man (1)
Lucifer's Hammer
Fallen Angels
Larry Niven & Jerry Pournelle & Michael Flynn