★★ Unfamiliar Strangers 5.9

Written by Jason Haas and Chris Weidner—who climbed most of the nearly 2,500 routes routes in the canyon—Boulder Canyon Guidebook is deeply infused with first-hand knowledge to guide you up the crags.

• Includes hundreds of new routes
• Also includes never-before-documented crags

Providing accurate and comprehensive info, the 4th edition of Fulcrum Colorado's Fourteeners includes standard, alternate and technical routes for all 58 peaks over 14,000 ft. in the Centennial state.

• Updated to include up-to-date topographic maps, GPS coordinates, expanded route details and alterations to trail access
• Multiple tables and appendices summarize features for quick reference
• Author Gerry Roach shares his expertise from over 50 years of mountaineering
• Includes full colour photos and 31 maps

Colorado Mountain Club:

Climbing Colorado's San Juans is a treasure trove of adventures ranging from easy scrambles for the outdoor novice to advanced, technical ascents of staggering summits for seasoned peakbaggers.

• Chapters are organized into 13 mountain subgroups
• Covers nearly 300 routes and 200 peaks—including 13 of Colorado's 54 fourteeners and 29 of its highest Centennial peaks
• Includes key intel, maps, color photos and storied explanations of San Juan mountain's climbing history