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- Daniel C. Dennett, Sweet Dreams: Philosophical Obstacles to a Science of Consciousness, The MIT Press, $14.95.
- Lee C. McIntyre, Dark Ages: The Case for a Science of Human Behavior, The MIT Press, $24.95.
- Eva Jablonka & Marion J. Lamb, Evolution in Four Dimensions: Genetic, Epigenetic, Behavioral, and Symbolic Variation in the History of Life, The MIT Press, $17.95.