Wilson, E and Lewis, Robert Allen signed - "So That's What I Do!" 1st edition 1935 in the original buff and blue cloth boards (some thumb stains to edges and slight bruising to corners) numerous illustrations throughout and signed 1st title page by both Wilson and Lewis with a dedication to Wilson which reads "To the First of the Darwinian Knights of the Garter with grateful thanks so much patience and good humour" dated October 1935 - internally very clean hence overall (G)