Climbing Mt. Everest is a high-stakes sport

A new book explores the high-cost and high-stakes world that's developed around scaling Mt. Everest. The book is published by Simon Tisdall, a former mountaineer and author of the book Everest: The High Costs of Climbing Mount Everest is published on Amazon.com.com.

More people are reaching the summit, but more people are dying on the way, too. Everest climbers are dying in the process of climbing the world's tallest mountain. The death toll has risen to 8,000 in the last year, according to the International Climbing Association of Climbers.