Aristotle is the greatest academic in the history of the world: He was the expert on nearly all academic disciplines of his day. Below, in order: An introduction to Aristotle, Summaries of The Categories (in two parts), De Interpretatione (in two parts), the Nicomachean Ethics Parts 1-4, the Physics Parts 1-2, and the Metaphysics Parts 1-5.

Part One of the Categories