First edition, first printing. Bound in publisher's navy cloth with gilt spine lettering, red topstain. Near Fine, light foxing to cloth; former owner's name stamped in pink on the front free endpaper, age spot to rear free endpaper. In a Very Good+ unclipped dust jacket with fading to spine, moderate edge wear and heavy foxing at verso. A rather nice copy of a book that usually turns up much worse for wear. The political philosopher's first major work, following some articles, translations, and Sechs Essays in German. Named one of the 100 best books of the 20th Century by Le Monde.