Turn Every Walk into a Game of DetectionWhen writer and 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; a budding flower points south. To help you understand nature as he does, Gooley shares more than 850 tips for forecasting, tracking, and