This book serves as a practical companion for effective passage planning in maritime navigation. Drawing on Alastair Buchan's expertise, it provides essential guidance for sailors and navigators undertaking voyages. The work focuses on the systematic approach required to plan safe and efficient routes, considering factors such as weather, currents, and vessel capabilities.

This text is recognized as a valuable resource for those involved in maritime navigation, particularly for planning longer voyages. Its practical approach and focus on essential calculations make it a go-to reference for ensuring safety and efficiency at sea. The book is likely to appeal to experienced sailors and those seeking to improve their navigational planning skills.