About the book: 2010 / The book "The Secrets of the Empress Maria" is dedicated to unknown pages of the history of the navy of the late 19th - early 20th centuries. The search for the battleship "Rusalka" that disappeared in the Gulf of Finland, the mysterious explosions of ships during the First World War, the mysteries of Russia's most outstanding intelligence officer Anna Revelskaya, the mysterious incident on the cruiser "Askold", which influenced the course of the Civil War in the North. These and many other naval secrets are described in the book offered to readers.