The Mystery of the Abecedarian Academy (New Three Investigators)

Top Trails: Glacier National Park: Must-Do Hikes for Everyone

Walking Boston: 34 Tours Through Beantown's Cobblestone Streets, Historic Districts, Ivory Towers, and Bustling Waterfront

Best Summit Hikes in Colorado: The Only Guide You'll Ever Need―50 Classic Routes and 90+ Summits

Tahoe Rim Trail: The Official Guide for Hikers, Mountain Bikers and Equestrians

Walking Portland: 30 Tours of Stumptown's Funky Neighborhoods, Historic Landmarks, Park Trails, Farmers Markets, and B

Walking Denver: 30 Tours of the Mile-High City's Best Urban Trails, Historic Architecture, River and Creekside Path

One Best Hike: Yosemite's Half Dome

Rail-Trails Pennsylvania, New Jersey, and New York