It’s the name of book written by Jon Krakauer. The Full name is Into Thin Air: A Personal Account of the Mt. Everest Disaster.Before I climbed the Haba snow mountain in October 2003, I brought this book. It was recommend by a famous enterpriser named Wangshi. We went Haba snow mountain together with him. Wangshi reached the peak of the Everest early that year. He said this was the best reading if you want know something about snow mountain adventure.