- Genre:fiction
- Sub-genre:Action & Adventure
- Language:English
- Pages:320
- eBook ISBN:9781543961447
- Paperback ISBN:9781543961430

See inside
Book details
Overview
Description
About the title: Climbers rank routes based on difficulty and danger. In the 1930s the Sierra Club developed the Yosemite Decimal System to assess climbs in the Sierra Nevada. The system has classes, ranging from the easiest — walking on level terrain — to the most difficult. A 5.11 is climbing on vertical rock requiring experience, strength, stamina and technical skill.