"Steamship and its relation to the commerce of Canada and the United States" is an important work by James Croyle, in which he examines in detail the history of the development of steamship in North America and its influence on the trade of the countries. The author examines the technical progress in the field of steamships, its impact on the economy, the transport system and international relations. This book will be a valuable source of information for anyone interested in the history and economy of North America and the development of trade routes in the early 19th century.