Skiing the Impossible by Henry Billings and Melissa Billings. What does it take to be a famous pop star or a footballer worth millions? Ever thought of taking up bungee jumping or white water rafting? Livewire Investigates is a series of thrilling accounts of dream careers, hobbies, sports and even extreme sports Could you backflip off a cliff? Or ski off the top of a mountain? Extreme skiers do - and live to tell the tale. Read on to find out what makes extreme skiers want to ski the impossible - again and again.