The principles and rules of the art of poetry.
an interdisciplinary journal for articles in the field of theoretical and empirical research on culture, the media and the arts
Essays describing the art and theory of poetry e.g. Poetics by Aristotle.
Aristotle's Poetics aims to give an account of poetry. Aristotle does this by attempting to explain poetry through first principles (1447a13), and by classifying poetry into its different genres and component parts.