Martin Dugard's "To Be a Runner"

Best-selling author Martin Dugard is best known for books such as Chasing Lance and Into Africa. He's also a high school cross-country and track coach in California and a lifelong runner. In his new book To Be a Runner, just released this week, he takes a journey through the world of running to illustrate how the sport helps us fulfill the universal desire to be the best possible version of ourselves each and every time we lace up our shoes.