Insights and Illusions of Philosophy
Jean Piaget
Bilateral Algorithms for Symbolic Abstraction - Paper
Aditya Thakur & Matt Elder & Thomas Reps
Secrets of the Woods (Yesterday's Classics)
William J. Long
National Security and Double Government
Michael J. Glennon
Piaget and His School: A Reader in Developmental Psychology
Ender's Shadow
Orson Scott Card
Ender's Game