Popular, proven format: the previous edition sold 6,300 copies, strong numbers for a city-specific title Market: More than 40 million people went hiking in the U.S. in 2016, with reasons ranging from enjoyment of the outdoors to health and exercise 60 featured hikes, all within an hour or so from Baltimore Now in full-color with new photos Updated trail-access information, including directions to the trailheads, fees, hours, facilities, contact information, and more GPS-based trail maps Descriptions that include trail length, trail difficulty, and hiking times Information about the flora, fauna, and wildlife that hikers are likely to see