Find Your Way at Sea, No Matter What "Inherently interesting and fun to read . . . provides the clearest understanding of general navigation principles we"ve seen yet." - Boat U.S. "Thorough and authoritative." - Sea Kayaker "A definitive work of instant appeal to seamen of all levels of experience." -The Navigation Foundation Every sailor knows that instruments can fail. Things get wet, break, fall overboard. Whether you"re safe on your boat or drifting in a life raft, let David Burch show you how to find your way no matter what navigational equipment you have. Often relying on common materials like a small stick, a plastic bottle, even a pair of sunglasses, Burch explains how to make use of all available means-from the ancient skills of Polynesian navigators to the contrails of airliners overhead-to calculate speed, direction, latitude, and longitude and to perform all aspects of piloting and dead reckoning. Learn how to: ...