Books on Dialogue   Bohm, David; Nichol, Lee, Editor, On Dialogue, Published by Routledge, 1996 Routledge, 11 New Fetter Lane, London EC4P 4EE OR, 29West 35th Street, New York, NY 10001 Reprinted 1997   Isaacs, William, Dialogue and the Art of Thinking Together, A Currency Book, Doubleday, October 1999 Random House, Inc. 1540 Broadway, New york, NY 10036   Baldwin, Christina, Calling the Circle, Bantam 1994 Doubleday 1540 Broadway, New York, NY 10036.   Yankelovich, Daniel, The Magic of Dialogue, Simon & Schuster, 1230 Avenue of the Americas, New York, NY 10020.   Dissertation by John Spady Director of Research of the Forum Foundation