Завоеватели белых пятен

“I gave concentration camps more than eleven years of my life — a period that only a few per million can withstand. (...) Describing the concentration camp, I did not stick out its gloomy sides, which are already known enough from propaganda literature. (...) The reader is given only a socio-economic sketch of the concentration camps, so that he understands how these NKVD trusts are organized and how, despite the Satanism of the system, the slaves manage to survive and sometimes even make sounds similar to laughter ... "

The first book about the Gulag system. It came out more than 10 years before Solzhenitsyn's Ivan Denisovich. Rarity.