Children of the Mind
Orson Scott Card
Ender's Game (4)
The Bare Essentials
Honey Phillips
Exposed to the Elements (2)
Maelstrom
Anne McCaffrey & Elizabeth Ann Scarborough
Twins of Petaybee (2)
Von Neumann's War
Travis S. Taylor & John Ringo
Von Neumann's War (1)
Freakonomics
Steven D. Levitt & Stephen J. Dubner
Freakonomics (1)