Navigating with the skills of the ancients.

Navigation without technology.

Part 1 looks at the navigational achievements of the ancient seafarers.

Part 2 explains how to use the wind, swell, sun and stars to estimate position and hold a course. And how sea breezes, isolated clouds and seabirds can make a landfall safer.

Part 3 shows how you can use DIY devices to calculate latitude, obtain bearings and estimate longitude.

Partr 4 describes how all these techniques can be used in survival conditions.

A fascinating book.