Origin
Dan Brown
Robert Langdon (5)
Echopraxia
Peter Watts
Firefall (2)
The Sorcerer's Daughter
Terry Brooks
Defenders of Shannara (3)
Dirk Gently's Holistic Detective Agency
Douglas Adams
Dirk Gently (1)
The Two Towers
J. R. R. Tolkien
The Lord of the Rings (2)