Whitman and Dickinson are the two greatest American poets of the nineteenth century, but who is the third? Some critics say Whittier, others say Poe, and these days an increasing number say Herman Melville. The revaluation of Melville's poetry is due in large part to the influence of this landmark volume, for Melville the poet has never found a more judicious, eloquent, or persuasive champion than Robert Penn Warren.