At the core of this book are life lessons. The book itself, follows Alex Hannold- a climbing superstar. He knows what he wants. He is not fearless but driven. Avoids getting his fears get in the way. And what better way to do that than by going free solo? A Friction climb: No grips, help or stands. A whole new level: 'like walking up glass' Alex thought... I wonder what he learns along the way.