Channeled Scablands, between Idaho and the Cascades, is a unique landscape of basalt cliffs, dry waterfalls, canyons, and coulees. Legendary geologist J Harlen Bretz was the first to explore the area, starting in the 1920s. This dramatic book tells the story of this scientific maverick — how he came to study the region, his radical theory that a flood of biblical proportions created it, and how a campaign by the mainstream geologic community tried to derail him for pursuing an idea that satellite photos would confirm decades later.