"Perhaps the last great modernist poem, Roy Fisher's A Furnace offers an alternately brightening and thickening materialization of landscape, history, and thought. From its opening bus ride along industrial roads in Birmingham, England to its final image of snails creeping up fennel stalks, A Furnace is a surprising, prodigious, spiraling yet hewn work . . . For all his registration of the built and of material history, Fisher is...