This book is perfect for a beginner, but also contains skills which no coastal navigator should be without, GPS set or not. Assessing tides and other factors to establish dead reckoning positions, plotting position co-ordinates, taking land fixes, calculating tidal heights - these and many other cornerstones of navigational knowledge are outlined in this book. It simplifies the process of learning by introducing each element one step at a time, with useful excercises at the end of each step to monitor your progress ensuring that you fully comprehend all aspects before the next step is introduced. It is a structured learning course which should be started at the beginning and worked through to its completion. An excellent book for self-study.