This book investigates the geography, history, and cultural significance of North America's major river systems. The National Geographic Society, known for its extensive exploration and documentation, presents a comprehensive overview of these vital waterways. It likely draws upon geographical data, historical accounts, and potentially ethnographic studies to detail the unique characteristics and importance of rivers such as the Mississippi, the St. Lawrence, the Colorado, and the Yukon. The work aims to illuminate how these rivers have shaped the continent's development and continue to influence its ecosystems and communities.

As a publication from the National Geographic Society, this book is expected to provide a well-researched and visually rich exploration of its subject matter. The authority of the publisher suggests a focus on factual accuracy and engaging presentation, likely appealing to readers interested in geography, history, and travel. The scope of covering the 'great rivers' implies a broad yet detailed approach, offering insights into both the natural and human dimensions of these essential waterways. It is anticipated to serve as an informative resource for understanding the continent's hydrological landscape and its historical development.