The book Bullitt's Mission to Russia: Testimony before the United States Senate Foreign Relations Committee, by William S. Bullitt, is a valuable historical document that reveals the events and circumstances of diplomat William Bullitt's mission to Soviet Russia. In this book, the author, William Bullitt himself, tells in detail and frankly about his impressions and conclusions regarding the political situation in the country, as well as about his own observations and business meetings with key figures of the Soviet regime. In his testimony before the committee, Bullitt reveals some important aspects of foreign policy and diplomacy, and offers his recommendations for the next steps in relations with the Soviet Union. This book is an essential resource for anyone interested in the history of diplomacy and relations between countries during the Great Depression and the interwar period. The autobiographical nature of the message adds personal flavor and realism to the text, allowing the reader to better understand the complexity of political processes and the author's personal position.