New book by a leading military historian. Continuation of a detailed, day-by-day and hour-by-hour chronicle of the disaster of 1941 and the agony of the Western Front. The solution to the main mystery of the Stalin era, which has been debated for more than half a century: why, despite all the warnings about the imminent attack of the Wehrmacht, our troops were never put on combat readiness? Analyzing the reasons for the crushing defeat of the Red Army, the author comes to sensational, shocking conclusions!