**The Permanent Revolution** is a political theory book by communist leader Leon Trotsky. Its title is the name of the concept of permanent revolution advocated by Trotsky and Trotskyists in opposition to the concept of socialism in one country as advocated by Joseph Stalin and Stalinists. It was first published by the Left Opposition in the Russian language in Germany in 1930. (Source: [Wikipedia](https://en. wikipedia. org/wiki/The_Permanent_Revolution))