Breathtaking photos and an intriguing narrative capture the allure of the world's highest mountain - and the spirit of the many adventurous souls who have dared to attempt the ultimate climb. What compels human beings to risk their lives scaling the world's tallest peak? What challenges do they encounter along the way? Who are the Sherpas, whose guidance and skill keep foreign mountaineers safe? What does it feel like to stand atop Mount Everest,...