"The Crystal Horizon" is a gripping account of the author's solo climb of Mount Everest without the aid of supplemental oxygen, a feat never accomplished before. The book not only details the physical and mental challenges faced during the climb but also delves into the philosophical and spiritual journey the author undergoes. The narrative is interspersed with reflections on the history and culture of the Himalayas, the nature of mountaineering, and the author's personal beliefs and motivations.

"The Mountains of My Life" is a collection of memoirs by a renowned mountaineer, recounting his numerous adventures and expeditions to some of the world's highest and most challenging peaks. The book includes detailed accounts of his climbs, including the first winter solo ascent of the Matterhorn's north face and the first solo winter ascent of the Grandes Jorasses' north face. The narrative also delves into controversial events, such as the author's disputed role in the first ascent of K2. The book is a thrilling blend of mountaineering history, personal reflection, and breathtaking descriptions of nature's grandeur.