INTO THE UNKNOWN: High Adventure and Hard Lessons Exploring the World's Great, Lost Wilderness Rivers

Reveals what the natural world looks like through a professional's eyes during "adventure" travel, when things start sliding toward the edge. This memoir recounts ten sagas of extreme expeditions into Earth's most amazing wilderness regions to illustrate their realities, science, allure, history, risks to life and limb, and ultimate fates. 16 pages of color photos.