The collection contains documentary stories, essays, popular science intelligence about Nestor Makhno, Lev Zadov, Alexander Dovzhenko, intelligence officers Nikolai Geft, Ivan Danilov, Nikolai Glushchenko (aka the famous Ukrainian artist), about other historical persons and events, in particular the Beriev conspiracy. Until recently, they are based on top secret materials of the SBU, eyewitness accounts.