Sunreach
Brandon Sanderson & Janci Patterson
Cytoverse (2.10)
The Endless Twilight
L.E. Modesitt
Forever Hero (3)
The Two Towers
J. R. R. Tolkien
The Lord of the Rings (2)
So Long, and Thanks for All the Fish
Douglas Adams
Hitchhiker's Guide to the Galaxy (4)
Ringworld
Larry Niven
Ringworld (1)
The Ringworld Engineers
Ringworld (2)
The Ringworld Throne
Ringworld (3)
Ringworld's Children
Ringworld (4)
Fate of Worlds
Ringworld (5)