The Last Great Race on Earth 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 investigate is a series of thrilling accounts of dream careers, hobbies, sports and even extreme sports Would you risk being buried alive in a snowdrift just to win a race? Mushers and their dog teams race through the freezing weather...