 Another influential text was Alexander Kazbegi's "The Patricide", with Stalin adopting the nickname "Koba" from that of the book's bandit protagonist.He also read "", the 1867 book by German sociological theorist Karl Marx.Stalin devoted himself to Marx's socio-political theory, Marxism, which was then on the rise in Georgia, one of various forms of socialism opposed to the empire's governing Tsarist authorities.