The hijacking of a Russian submarine from an Italian port in 1914, the attempt to blow up the cruiser Aurora on the historic night of October 25, 1917, the odyssey of the Polish submarine Orel during the Second World War, the mutiny on the Soviet ship Storozhevoy in 1975 year - here is an incomplete list of naval adventures of the 20th century, about which the famous writer-marinist N. Cherkashin, himself a former submariner, tells in his fifth book “Naval Collection” of the publishing house “Top Secret”. The book is illustrated with unique photographs, most of which published for the first time.