Dialectic
Mortimer Jerome Adler
Building Natural Language Generation Systems
Ehud Reiter & Robert Dale
Symmetry: A Very Short Introduction
Ian Nicholas Stewart
The Online English Grammar
Anthony Hughes
Geographies of Science
David Livingstone & Peter Meusburger & Heike Jöns
Knowledge and Space (3)
Children of the Mind
Orson Scott Card
Ender's Game
Ender's Shadow
Shadow of the Hegemon
Shadow Puppets
Speaker for the Dead
Xenocide