“The Unbreakable Union” is the tenth book of the cycle “The Sea Wolf,” continuing the story of an atomic submarine “Voronezh” landing in 1942. The Great Patriotic War ended in victory a whole year earlier—on May 9, 1944. But the main goal isn’t only to win the war, but also the postwar world. So that in the USSR “there would be nothing but the USSR.” Yet, as it turns out, many problems in our reality that led to the collapse of the Soviet Union arose exactly then. In the alternative reality, will they be able to shift the course of history?