"Left-Wing" Communism: An Infantile Disorder is a work by Vladimir Lenin attacking assorted critics of the Bolsheviks who claimed positions to their left. Most of these critics were proponents of ideologies later described as left communism.The book was written in 1920 and published in Russian, German, English and French later in the year. A copy was then distributed to each delegate at the 2nd World Congress of the Comintern, several of whom were mentioned by Lenin in the work.The present volume is a New Translation that was first published in the U.S. in 1940 and the UK in 1942. As with the earlier editions, the book is divided into ten chapters and contains an appendix, including a letter from David Wijnkoop on behalf of the Communist Party of Holland.