Rock guiding can be a very male-oriented culture, like many other outdoor recreation worlds.
"The Dawn Wall" was made by Boulder-based film company Sender Films.
Climber Maureen Beck was born without a left hand. She's won national and world championships in paraclimbing.
Caldwell's new memoir, "The Push," describes his father's intense training, and builds up to the Yosemite climb that made him famous.