Born eighty years ago in Lithuania, Czeslaw Milosz has been acclaimed "one of the greatest poets of our time, perhaps the greatest" (Joseph Brodsky). This self-described "connoisseur of heavens and abysses" has produced a corpus of poems, essays, memoirs, and fiction of such depth and range that the reader's imagination is moved far beyond ordinary limits of consciousness. In The Poet's Work Leonard Nathan and Arthur Quinn follow Milosz's...