The book "History of the First Transcontinental Railroad. Its Participants, Construction and History" by William Francis Bailey is a detailed narrative of an epochal event in the history of the development of the western territories of the United States. The author talks about the idea of building a transcontinental railway, about the difficulties faced by designers and builders, as well as about the importance of this railway for the economic and cultural development of the country. The book allows the reader to study in depth the history of the creation of this transport highway, as well as to understand its influence on the further development of the United States of America.