The book "Before the War" written by R. B. Haldane, Viscount Haldane (Richard Burdon Haldane, Viscount) is a unique literary work in which the author reveals complex issues of politics and diplomacy in the context of pre-war Europe. In this book, Haldane invites the reader to delve deeper into the analysis of the situation of countries and political forces before the world went into a great war. The author examines the causes of the conflict, relations between states and field politicians, and also predicts the possible consequences of the events of that time. "Before the war" is not just a book, but an important testimony about a difficult era in world history, which still remains relevant and interesting for readers.