Among the most influential books in Western civilization, Aristotle's Poetics is really a treatise on fine art. In it are mentioned not only epic and dithyrambic poetry, but tragedy, comedy, and flute and lyre playing. Aristotle's conception of tragedy, i.e. the depiction of a heroic action that arouses pity and fear in the spectators and brings about a catharsis of those emotions, has helped perpetuate the Greek ideal of drama to the present day. Similarly, his dictums concerning unity of time and place, the necessity for a play to have a beginning, middle, and end, the idea of the...

Introduced by Francis Fergusson, the Poetics, written in the fourth century B.C., is still an essential study of the art of drama, indeed the most fundamental one we have. It has been used by both playwrights and theorists of many periods, and interpreted, in the course of its two thousand years of life, in various ways. The literature which has accumulated around it is, as Mr. Fergusson points out, "full of disputes so erudite that the nonspecialist can only look on in respectful silence." But the Poetics itself is still with us, in all its suggestiveness, for the modern...