Jean Piaget
Margaret A. Boden
Quantifying Life
Dmitry A. Kondrashov
New Trends in Conceptual Representation: Challenges to Piaget's ...
Ellin Kofsky Scholnick
Georges Ivanovich Gurdjieff - The War Against Sleep - The Strange ...
Colin Wilson
Representation and Inference for Natural Language: A First Course ...
Patrick Blackburn & Johannes Bos
Ender's Shadow
Orson Scott Card
Shadow Puppets
Shadow of the Hegemon