The Mystery of the Black Book

In October 1947, the "Black Book" was to be published in Moscow - a collection of testimonies and articles about the murder of two million and seven hundred thousand  Jews under Nazi occupation in the Soviet Union. The book was shelved by the authorities. As if the Holocaust of Soviet Jews had never occurred at all.

Why did Stalin decide to hide the solid and documented evidence of the Holocaust in the Soviet Union?

Filmography:  Searching for the unknown Holocaust - documentary project of eight films (2014 – 2018), Tarab (2010).