The Crusades: An Encyclopedia
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Philosophy: The Classics
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Message to the People: The Course of African Philosophy
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Mathematical Logic Through Python
Yannai A. Gonczarowski & Noam Nisan
The Medieval World
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The Scientific Conquest of Death: Essays on Infinite Lifespans
Michael R. Rose & Aubrey de Grey & Joao Pedro de Magalhaes & Michael D. West & Robert A. Freitas Jr. & Raymond Kurzweil & William Sims Bainbridge & Marvin L. Minsky & Brian Wowk, & Brad F. Mellon & Max More & Mike Treder & Eric S. Rabkin & Manfred Clynes, Shannon Vyff & Ben Best & Marc Geddes & Russell Blackford