Mike Dickerman is a longtime White Mountains hiker who has climbed all 48 of New Hampshire's 4,000-foot summits in both summer and winter. He has written or edited more than a dozen books about the region and is a former member of the AMC Four Thousand Footer Committee. For this book, he has collected images from the Appalachian Mountain Club, the New England Ski Museum, the White Mountain National Forest, regional historical societies, and several private collections.