Bluejay Books. New York. 1984. First edition trade paperback, first printing 11/84. Near fine book in pictorial wraps. Originally published in a Dell paperback in 1981, this is both the first separate appearance of this Nebula and Hugo nominated novel, and the first illustrated edition. Illustrated with 20 black and white drawings by Robert Walters and with a long afterword written for this edition by Marvin Minsky, the "father of Artificial Intelligence." This copy specially signed by the author on the title page.