Psychovertical is the story of what happens to a nice lower-class kid with dyslexia who gains control over his circumstances by clinging to giant stone faces, thousands of feet in the air, for days at a time. In this case, Kirkpatrick uses his 12-day solo climb of the Reticent Wall on California's El Capitan as the experience that helps him understand how growing up poor and struggling with dyslexia and low self-confidence set him on a path of extreme...