<P>Like an underground river, the astonishing poems of Joseph Ceravolo have nurtured American poetry for fifty years, a presence deeply felt but largely invisible. Collected Poems offers the first full portrait of Ceravolo's aesthetic trajectory, bringing to light the highly original voice that was operating at an increasing remove from the currents of the time. From a poetics associated with Frank O'Hara and John Ashbery to an ever more contemplative, deeply visionary...