Robert Paul Stone (born March 10, 1951) is the author, photographer, and publisher of the trail guide series Day Hike Books. Since 1991, Stone has hiked every trail in the Day Hike Book series, covering thousands of miles of trails throughout the western United States and Hawaii. He has self-published more than 30 hiking guides in the series, many of them in their third, fourth, fifth, or sixth editions. Stone summers in the Rocky Mountains of Montana and winters on the California Central Coast.
