He is also the author of Wild Roads Washington; the Creaky Knees Guide series of easy hiking books (titles cover Washington, Oregon, and Pacific Northwest National Parks and Monuments); the Day Hike! series of easy hikes that you can do in a day (titles cover the Central Cascades, the North Cascades, Mount Rainier, the Olympic Peninsula, the Columbia Gorge, and Spokane/Coeur d'Alene).