Play by the Rules
Michael Pembroke
Philosophy: Basic Readings
Nigel Warburton
Nikola Tesla, Electrical Genius
Arthur J. Beckhard
Piaget, Psychology and Education: Papers in Honour of Jean Piaget
Ved P. Varma & Phillip Williams
Language and Identity: An Introduction
John Edwards
The Philosophy of 'As If': A System of the Theoretical, Practical ...
Hans Vaihinger