The texts in Volumes 28-37 represent the principal stages in the formation of Marx’s economic doctrine. Volumes 28 and 29 contain Marx’s Economic Manuscripts of 1857-58 (the first rough draft of Capital) and his work A Contribution to the Critique of Political Economy: Part One (1859). Volumes 30-34 comprise the Economic Manuscripts of 1861-63 (the second rough draft of Capital), volumes 35-37 contain volumes I, II and III of Capital. This volume contains Volume II of Marx’s Capital published by Engels on the basis of the author’s unfinished manuscripts. Volume II deals with the circulation of individual and social capital, its metamorphoses and its realisation in the form of value and things.