Ripping Time
Robert Asprin & Linda Evans
Time Scout (3)
Rip Tide
Louise Cooper
Doctor Who (Telos) Novellas (6)
Rip Foster Rides the Gray Planet
Harold Leland Goodwin
Rinn's Star
Paula King
Ringworld's Children
Larry Niven
Ringworld (4)
The Ringworld Throne
Ringworld (3)
The Ringworld Engineers
Ringworld (2)
Ringworld
Ringworld (1)
Ringstones
Sarban
The Rings of Tautee
Dean Wesley Smith & Kristine Kathryn Rusch
Star Trek: The Original Series (78)
Rings of Ice
Piers Anthony
The Ring
Piers Anthony & Robert E. Margroff
Daniel Keys Moran
Human/Praxcelis Union (1)
Deborah Chester
The Sword, the Ring and the Chalice (2)
The Ring of Winter
James Lowder
Forgotten Realms: The Harpers (5)
The Ring of Ritornel
Charles L. Harness
Ring of Lightning
Jane S. Fancher
Dance of the Rings (1)