p. 7 On Prediction (1968) essay by Isaac Asimov p. 11 The Land Ironclads (1903) novelette by H. G. Wells p. 35 New York A.D. 2660 (Excerpt) (1911) shortfiction by Hugo Gernsback p. 50 Billenium (1961) shortstory by J. G. Ballard (aka Billennium) p. 67 The Lysenko Maze (1953) shortstory by Donald A. Wollheim [as by David Grinnell ] p. 79 QRM - Interplanetary [Venus Equilateral] (1942) novelette by George O. Smith p. 118 With These Hands (1951) novelette by C. M. Kornbluth p. 138 Politics (1932) novelette by Murray Leinster p. 168 The Day Rembrandt Went Public (1962) shortstory by Arnold M. Auerbach p. 171 Solution Unsatisfactory (1941) novelette by Robert A. Heinlein p. 216 Security Check (1956) shortstory by Arthur C. Clarke