Double Jeopardy
David Sherman & Dan Cragg
Starfist (14)
Code 15
M.D. & Gary Birken
The selfish gene
Richard Dawkins
The Mysterious Benedict Society and the Prisoner's Dilemma
Trenton Lee Stewart
The Mysterious Benedict Society (2)
Ender in Exile
Orson Scott Card
Ender's Game: Extended (1.5)