Nobody knows survival like Bear Grylls. Over the years, from his time in 21 SAS, through to his extraordinary expeditions climbing (and paragliding over) Everest, traveling through the Arctic's treacherous Northwest Passage, crossing the world's oceans, and taking part in adventures to the toughest corners of each of the seven continents, Bear has accumulated an astonishing wealth of survival knowledge. Now, for the first time, he is putting all his expertise into one book.