Proust and Signs (French: Marcel Proust et les signes) is a book by the philosopher Gilles Deleuze, in which the author explores the system of signs within the work of the celebrated French novelist Marcel Proust. It was first published in 1964; its second edition (1972) added an eighth concluding chapter ("L'Image de la pensée" or "The Image of Thought"), and its third edition (1976) appended an entire second part ("La machine littéraire" or "The Literary Machine"). The book was translated into English by Richard Howard.