Translated from the original 1927, -A unique book, recommended at one time by I.V. Stalin, which shows the dialectic of the NEP, how in practice the socialist way of economy destroyed the economically private-proprietary, capitalist way. In the post-Stalin USSR, it was kept in special depository, there was no free access to it. All the schemes that were then widely used by the new bourgeoisie during the period of Perestroika are described.