Fans of Russian history may find this novel interesting: The White Terror and the Red: A Novel of Revolutionary Russia It dates to 1905 and is free because it’s out of copyright.
Available for free from Amazon, Ten Days That Shook The World is John Reed’s first hand account of the October 1917 Russian Revolution. It was the basis of the movie, Reds. Reed was a socialist American journalist who is buried at the Kremlin.
It is, as you might expect, politically explosive and the target of praise or criticism, depending upon which side of the spectrum you sit.