Tim Palmer is America's preeminent author and photographer of rivers, river travel, and river conservation. He is the author of 25 books featuring rivers, conservation, and adventure travel, including the classic photographic works Rivers of America, Trees and Forests of America, and Rivers of Oregon. His honours include the National Outdoor Book Award, Independent Publishers Award, Benjamin Franklin Book Award, and Conservation Achievement Award from the National Wildlife Federation. He was the first recipient of American Rivers' Lifetime Achievement Award. American Rivers works for the protection and restoration of wild, free-flowing rivers, including all of those covered in this book. Organised in 1973 for advancement of the National Wild and Scenic Rivers system, the group has grown to 200,000 members, activists, and volunteers. Author Tim Palmer has been involved with the organisation almost since its founding and has served on its board of directors.