School of Hard Rocks: A Climber's Guide to Wonderland Granite by Tal Wanish is a guidebook for the Wonderland climbing area in the South Platte River watershed near Bailey, CO, covering initial development from Miller Gulch to Pine Valley Ranch Park, with routes from 5.3 to 5.13- and boulders from V-Easy to V9, including about 200 pitches and 100 problems. Published in 2025, it's available as a physical copy or a digital version with a donation to specified organizations.