The book "On the Eve of Triumph: Marching for the Sun-Flag. Tried in Vain in Manchuria" is written by John Fox, Jr. and tells the story of his travels and adventures in the densely populated and dramatic Manchuria of the late 19th century. The author describes in detail his impressions of the local population, nature and culture, as well as his own inner searches and reflections during the trip. This book is an adventure essay that combines the author's immediate impressions and his philosophical reflections on the world around him.