Khumbu Since 1950 Cultural, Landscape, and Climate Change in the Sagarmatha (Mt. Everst) National Park, Khumbu, Nepal by AltonC. Byers 120 Pages, Published 2017 by Vajra Books ISBN-13: 978-9937-623-96-4, ISBN: 9937-623-96-0
"Gripping and sumptuous, this is the definitive book on the history, mystique, and science of Mount Everest, including how climate change is impacting the world's tallest mountain. In 1963, the American Mount Everest Expedition made mountaineering history. It was the first American venture to successfully scale the legendary peak and the first successful climb up the hazardous West Ridge (a climb so difficult no one has yet repeated it ..."