In Man vs. Wild, Bear Grylls demonstrates all manner of survival techniques when faced with nature's extremes--from crossing piranha-infested rivers to fighting off grizzly bears. He shows us how, armed with the correct know-how and a determination to stay alive, all of us have the potential to beat the elements in even the bleakest of situations. Bear Grylls is the ultimate modern-day adventurer. He spent three years with the British Special...