Letters to a Young Scientist
Edward O. Wilson
Abraham Lincoln: Vampire Hunter
Seth Grahame-Smith
The Lightning Thief
Rick Riordan
Percy Jackson and the Olympians (1)
Born in Death
J. D. Robb & Nora Roberts
In Death (23)
Ringworld
Larry Niven
Ringworld (1)
The Ringworld Engineers
Ringworld (2)
The Ringworld Throne
Ringworld (3)
Ringworld's Children
Ringworld (4)