Secret forces. Nikolai V.

One cover presents two books by German intelligence and counterintelligence, Walter Nicholas, the press and public mood in the World War, and “Secret forces: International espionage and the struggle with it during the World War II and currently ", Which examines the entire mechanism of secret operations of Germany, which was in 1914-1918 military operations both in the West and in the East, analyzed the reasons for the successes and failures of the" Knights of the Cloak and Dagger ", and previously unknown names and events of the secret operations of Berlin were disclosed Against France, Great Britain, Russia and other countries that participated in the anti-German coalition.

These books were published in Russia in the 1920s with huge bills, which largely distorted the meaning of the ideas presented by the author-Colonel Walter Nikolai, Whose fate after the resignation turned into a tragedy.