C sar Vallejo is one the greatest poets of the twentieth century. His first publication, in his native Peru, was a book called "The Black Heralds", a fine collection of lyric poems in a largely symbolist style. This was followed by the book by which he is best known, "Trilce" (1922), which has become one of the monuments of the Hispanic 'vanguardia'. After "Trilce", now resident in Europe, Vallejo wrote stories, essays, a novel, and several plays,...