Panait Istrati 
Russia Unveiled [PDF ebook] 

First published in English in 1931, the author of this book was throughly acquainted with Russia, both in Tsarist and Bolshevist times; he spoke fluent Russian and became an ardent supporter of the Bolshevist cause. This volume documents how his illusions were shattered, as saw through the propaganda and perceived that the Soviet system was, in practice both oppressive and unworkable.