This book is sketches the activities of the Cheka (All-Russian Extroaordinary Commision for Fighting Counterrevolution and Sabotage) in Ukraine between 1920–22. Cheka was the Soviet security agency organized by Felix Dzerzhinsky at the beginning of the revolution and confirmed by the decree of the RSFSR of 20 December 1917. Includes a short introductory essay The Ukrainian Revolution (1917–21) by Myroslav Yurkevich. Copublished with Chalidze Publications.