- Alaska: A Bicentennial History (States and the Nation.)
- To stand at the Pole: The Dr. Cook--Admiral Peary North Pole controversy
- North of 53°: The Wild Days of the Alaska-Yukon Mining Frontier, 1870-1914
- Arctic Passage: The Turbulent History of the Land and People of the Bering Sea, 1697 - 1975
- Mountain Wilderness: An Illustrated History of the Wrangell-St. Elias National Park and Preserve, Alaska