In the summer of 1917, Vladimir Lenin leaves Petrograd and shelters in Razliv with fellow revolutionary Grigory Zinoviev. In the weeks that follow, Lenin writes his famous "Blue Notebook" advocating proletarian revolution.
Overview：In the summer of 1917, Vladimir Lenin leaves Petrograd and shelters in Razliv with fellow revolutionary Grigory Zinoviev. In the weeks that follow, Lenin writes his famous "Blue Notebook" advocating proletarian revolution.
