The story of the American fur trade has been told many times from different viewpoints, but David Lavender was the first to place it within the overall contest for empire between Britain and the United States. Rather than offering a simple hagiography of men like Jedediah Smith, Kit Carson, Jim Bridger and other legendary trappers, Lavender relates the story of men such as John Jacob Astor and Ramsay Crooks who competed with Britain's Hudson's Bay...