Betrayer of Worlds
Edward M. Lerner & Larry Niven
Destroyer of Worlds
Larry Niven & Edward M. Lerner
Fate of Worlds: Return From the Ringworld
Fleet of Worlds
Larry Niven
Fleet of Worlds (1)
Juggler of Worlds: 200 Years Before the Discovery of the Ringworld
Ringworld: A Novel
Ringworld (1)
Ringworld's Children
Ringworld (4)
The Goliath Stone
Larry Niven & Matthew Joseph Harrington
The Mote in God's Eye
Larry Niven & Jerry Pournelle
Ringworld Engineers
Ringworld (2)
Ringworld Throne
Ringworld (3)
Bowl of Heaven
Gregory Benford & Larry Niven