If there's an adventure to be had, it's likely that David Hempleman-Adams has been there first. Ranking alongside Ranulph Fiennes and Chris Bonnington in the pantheon of British explorers, he is the first person in history to achieve what is termed the Adventurers' Grand Slam, by reaching the Geographic and Magnetic North and South Poles as well as climbing the highest peaks on all seven continents. The question Hempleman-Adams is most often asked is, simply: what drives him on? Why risk frostbite pulling a sledge to the North Pole? Why experience the Death Zone on Everest? Why fly in the...