Here's what other sites are saying:
The National Audubon Society Field Guides teach you more about the great outdoors, whether you're curious about mammals, weather, wildflowers, or the night sky. National Audubon Society directs its mission to conserve and restore natural ecosystems by focusing on educating hikers, backpackers, campers, and goats like us.
This guide covers every constellation in the Northern and Southern hemispheres, the entire solar system, and other astronomical bodies
National Geographic The Ultimate Hiker’s Gear Guide
Pro-Knot Outdoor Knots - Waterproof Plastic Fan Pack
Falcon Guides Backpacker The National Parks Coast to Coast: 100 Best Hikes Camping/Hiking/Backpacking Book / Guidebook
Falcon Guides Ultralight Backpackin' Tips
Three Rivers Press The Backpacker's Field Manual: A Comprehensive Guide to Mastering Backcountry Skills
Chicago Review Press Kids Camp!
Appalachian Mountain Club Winterwise: A Backpacker's Guide
The Mountaineers Books Day Hiker's Handbook