This book investigates the historical and practical methods of human navigation and transportation across various bodies of water. John Hornby provides a technical overview of water-based travel, drawing upon historical accounts and maritime practices to explain how different cultures and eras have utilized waterways for trade, exploration, and daily transit. The text serves as an educational resource for understanding the mechanics of watercraft and the environmental factors influencing aquatic movement.

Experts categorize this work as a foundational educational text within the Open Gate Library series, suitable for readers seeking a broad introduction to maritime history. The prose is noted for its accessible, instructional tone, making it a reliable reference for students and general interest readers alike.