Mad Amos
Alan Dean Foster
Carpe Jugulum
Terry Pratchett
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Theory of Fun for Game Design
Raph Koster
Life Line
Robert A. Heinlein
Future History or "Heinlein Timeline" (1)
The Poison Eaters: And Other Stories
Holly Black
HALO: The Thursday War
Karen Traviss
Halo: Kilo-Five Trilogy (2)