Wittgenstein wrote that "philosophy ought really to be written only as a form of poetry." American poetry has long engaged questions about subject and object, self and environment, reality and imagination, real and ideal that have dominated the Western philosophical tradition since the Enlightenment. Kristen Case's book argues that American poets from Emerson to Susan Howe have responded to the central problems of Western philosophy by performing, in language, the continually shifting relation between mind and world. Pragmatism, recognizing the futility of philosophy's attempt to fix the...