A Blind Mans Journey to Kayak the Grand Canyon. Erik Weihenmayer is the first and only blind person to summit Mount Everest. When the mountain was finally behind him, his expedition leader slapped him on the back and said something that would affect the course of Eriks life Dont make Everest the greatest thing you ever do. No Barriers is Eriks response to that challenge. It is the moving story of his journey since descending Mount Everest from leading expeditions around the world with blind Tibetan teenagers to helping injured soldiers climb their way home from war, from adopting a son from Nepal to facing the most terrifying reach