| Philosophical Investigations - Philosophische Untersuchungen. (second edition 1958 ). WITTGENSTEIN Ludwig - G.E.M. ANSCOMBE ( translator ) : / Used - Hardcover | Dust Jacket | $173.44 |
| Superintelligence. Paths , Dangers , Strategies. BOSTROM Nick : / Used - Hardcover | 1st Edition | $111.24 |
| Superintelligence. Paths , Dangers , Strategies. BOSTROM Nick : / Used - Hardcover | 1st Edition | $94.50 |
| Russian Thinkers BERLIN Isaiah : / Used - Hardcover | Dust Jacket | $90.91 |
| Animal Farm. Burmese Days. A Clergyman's Daughter. Coming up for air. Keep the Aspidistra Flying. Nineteen Eighty-Four. Complete & Unabridged. ORWELL George : / Used - Hardcover | Dust Jacket | $69.38 |
| Down and Out in Paris and London. Homage to Catalonia. Selections from Essays and Journalism: 1931 - 1949. Including Such, such Were the Joys. The Lion and the Unicorn. The road to Wigan Pier. Complete & Unabridged. ORWELL George : / Used - Hardcover | Dust Jacket | $69.38 |
| Darwin's Dangerous Idea. Evolution and the meanings of life. DENNETT Daniel C. : / Used - Hardcover | | $58.61 |
| Breaking the spell; religion as a natural phenomenon. DENNETT Daniel C. : / Used - Hardcover | | $53.83 |
| The self and its brain. POPPER Karl - John C. ECCLES : / Used - Hardcover | | $49.04 |