|| Two original offprints: Charles Darwin: The Decisive Years (Nature, Vol. 157, Page 536, April 27, 1946; Julian Huxley Introduction to the Second Edition of EVOLUTION; The Modern Synthesis (George Allen and Unwin Ltd., 1963). The later inscribed presentation copy to A. J. Cain the evolutionary biologist, "AJC from JSH" in Huxley's hand. Both offprints in very good condition. Evolution. Genetics. Science. Signed books.