Richard Paul Evans’ “The Walk” is the first book in what will be a five-part series about a man exploring the open road of America as well as his own inner self. After Al Christoffersen loses most everything that is important in his life, including his wife, business and house, he decides to take a walk — from his home in Bellevue, Wash., to Key West, Fla. With just the few provisions in his backpack, he begins his 3,000 mile hike along the highways and forests of Washington, and this first book covers the initial 250 miles of his journey — and the beginning of his self discovery.