What is the best shape for a yacht? How does turbulence affect a yacht's movement through water? Why do some keels have wings? Is it true that some yachts can sail faster upwind than downwind? Authoritative yet accessible, The Physics of Sailing is the perfect book for anyone who wants to enhance their understanding and enjoyment of sailing. It will enable cruisers and racers alike to grasp how sails, keels and hulls work together to keep boats afloat, and will sharpen their skills with a thorough appreciation of why various boat design features are present and why certain tactics work in particular situations. Anderson outlines the science behind sailing in such a way that anyone can understand and benefit from his explanations without having to trudge through a physics textbook or become a naval architect. Concepts are conveyed simply, concisely, and with many examples and illustrations. With the help of this invaluable book, sailors will be better prepared to handle any situation that might arise on the water.