Macmillan and Co. Ltd.: London, 1935.  Second edition, revised and extended.

An Essay on the Nature and Significance of Economic Science is often credited with bringing Austrian economic theory and methodology into English economics, as well as providing the still most widely used definition of economics: "Economics is the science which studies human behaviour as a relationship between ends and scarce means which have alternative uses" (Susan Howson, The Origins of Lionel Robbins's Essay on the Nature and Significance of Economic Science)

Uneven toning to free endpapers, cloth abraded to the boards (one area measures an inch wide + a few small spots), very good in like scarce dust wrapper with toned spine and a few small chips.