Imagine standing at the base of El Capitan in the early 1990s. The Nose, one of the most famous and daunting climbing routes in the world, stretches nearly 3,000 feet above you. At this time, no one—not even the best climbers in the world—has free climbed it. Enter Lynn Hill. In 1993, she not only becomes the first person to free climb *The Nose*, but she does it in a single day, a feat that redefined what was possible in climbing. This wasn’t just a physical achievement; it was a moment that...