'Even the intrepid Bear Grylls could learn a trick or two from this book' The Times The ultimate guide to what the land, sun, moon, stars, trees, plants, animals, sky and clouds can reveal - when you know what to look for. Includes over 850 outdoor clues and signs. This top ten bestseller is the result of Tristan Gooley's two decades of pioneering outdoors experience and six years of instructing, researching and writing. It includes lots of outdoor clues and signs that will not be found in any other book in the world. As well as the most comprehensive guide to natural navigation for walkers ever compiled, it also contains clues for weather forecasting, tracking, city walks, coast walks, night walks and dozens of other areas.