By focusing on "wind awareness," Plain Sailing will help all sailorsbetter understand the principles and practice of sail trim-how to adjust sailsso they interact most efficiently with the wind. There is a direct relationship betweensailing efficiency and sailing fun. Knowing when, how, and why to trim your sails is the essence of sailing. If you understand trim, you understandsailing. Beautifully written, with complicated sailing jargon kept to a minimum.