n of HarperCollins e-books. Originally published as Afterwords, Anchor Books, 1973. Part I of this book was revised from By The Late John Brockman, The Macmillan Company, 1969, and published as Part I of Afterwords, Anchor Books, 1973. Part H of this book was revised from 37, by John Brockman, Holt Rinehart Winston,