Nominated for the 2009 American Philosophical Association Book Prize.

The work of Aristotle (384-322 bc) is considered to be one of the great achievements of the ancient world, and is a foundation of both Western and Middle Eastern philosophy and science. Although Aristotle left significant material on almost all branches of learning, what has survived is a somewhat disorganized collection of notes and lectures. Moreover, the centuries of interpretation across various epochs and cultures tend to cloud our understanding of him.

Thomas Kiefer breaks through this cloud of...