This book investigates the essential principles and practical techniques required for safe and effective navigation in coastal and offshore maritime environments. Drawing on decades of experience, Tom Cunliffe provides a comprehensive guide to understanding charts, using navigational instruments, and making sound decisions at sea. The work emphasizes the critical importance of seamanship, weather interpretation, and route planning for successful voyages.

This work is regarded as a foundational text for aspiring and experienced mariners alike, offering a thorough grounding in the complexities of coastal and offshore navigation. Its detailed approach and practical advice have established it as a reliable resource for those undertaking sea voyages. The book is noted for its clear explanations and the author's extensive practical experience, making it a valuable reference for safe seamanship.