A prose poem is a poem written in prose rather than verse But what does that really mean? Is it an indefinable hybrid? An anomaly in the history of poetry? Are the very words "prose poem" an oxymoron? This groundbreaking anthology edited by celebrated poet David Lehman  editor of The Best American Poetry series  traces the form in all its dazzling variety from Poe and Emerson to Auden and Ashbery and on  right up to the present