In a letter of January 1955, Wallace Stevens referred to Paul Valery as a "prodigy of poetry". Although his correspondence reveals that he was long familiar with both Valery's poetry and prose, and scholars from the early days of Stevens criticism to the present -- from Frank Kermode to Harold Bloom and Eleanor Cook -- have acknowledged Valery's importance for Stevens and noted the mark of Valery's poetics on Stevens' prose and poetry, until now there...