When globetrotting navigator Tristan Gooley journeys outside, he sees a natural world filled with clues: the roots of a tree indicate the sun's direction, the Big Dipper tells the time, a passing butterfly hints at the weather, a sand dune reveals prevailing wind, the scent of cinnamon suggests altitude, and a budding flower points south. Here Gooley shares more than 850 tips for forecasting, tracking, and gathering information in the wild, gleaned from decades spent walking and leading others around landscapes all over the world. "Even the intrepid Bear Grylls could learn a trick or two from this book."—Times(London)