"The definitive biography of the father of American conservation vigorously narrates the United States' early endeavors to save its great frontier. George Bird Grinnell, the son of a New York merchant, saw a different future for a nation in the thrall of the Industrial Age. With railroads scarring virgin lands and the formerly vast buffalo herds decimated, the country faced a crossroads: Could it pursue Manifest Destiny without destroying its natural bounty and beauty? The alarm that Grinnell sounded would spark America's conservation movement. Yet today his name has been forgotten--an omission that John Taliaferro's commanding biography sets right with narrative flair. Grinnell was born in Brooklyn in 1849 and grew up on the estate of ornithologist John James Audubon. Upon graduation from Yale, he dug for dinosaurs on the Great Plains with eminent paleontologist Othniel C. Marsh--an expedition that fanned his romantic notion of wilderness and taught him a graphic lesson in evolution a