Award-winning author, naturalist, and conservationist Tim Palmer presents the world of California rivers in this practical and inspiring field guide. Loaded with tips on where to hike, fish, canoe, kayak, and raft, it offers an interpretive approach that reveals geology, plant and wild life, hydrologic processes, and other natural phenomena. Palmer reports on conservation with a perspective from decades of personal engagement. More than 150 streams are featured, 50 riparian species are illustrated, and 180 photos show the essence of California's rivers. Palmer brings a natural history guide, a recreation guide, and an introduction to river ecology together in one illuminating volume; it belongs in every river lover's book collection, boat, and backpack.