"An indispensable source book for anyone interested in Proudhon's ideas and the origins of the socialist and anarchist movements in nineteenth-century Europe."—Robert Graham, editor of Anarchism: A Documentary History of Libertarian Ideas "Iain McKay's introduction offers a sure-footed guide through the misconceptions surrounding Proudhon's thought."—Mark Leier, author of Bakunin: The Creative Passion More influential than Karl Marx during his lifetime, Pierre-Joseph Proudon's work has long been out of print or unavailable in English. Iain McKay's comprehensive collection is a much-needed and timely historical corrective. Iain McKay is the editor of An Anarchist FAQ . Pierre-Joseph Proudhon: Pierre-Joseph Proudhon (1809-1869) was one of the most important and influential political theorists of the 19th century. The first person to call himself an anarchist, he is the author of What is Property? An Inquiry into the Principle of Right and of Government ; The System of Economical Contradictions (or, the Philosophy of Misery) ; and The General Idea of the Revolution in the Nineteenth Century .