\'The alphabet ofthe treesis fading in thesong of the leaves\'Filled with bright, unforgettable images, the deceptively simple work of William Carlos Williams revolutionized American verse, and made him one of the greatest twentieth-century poets.. \'The alphabet ofthe treesis fading in thesong of the leaves\'Filled with bright, unforgettable images, the deceptively simple work of William Carlos Williams revolutionized American verse, and made him one of the greatest twentieth-century poets.