"On an autumn morning in 1849, Henry David Thoreau stepped out his front door to walk the beaches of Cape Cod. Over a century and a half later, Ben Shattuck does the same. With little more than a loaf of bread, brick of cheese, and a notebook, Shattuck sets out to retrace Thoreau's path through the Cape's outer beaches, from the elbow to Provincetown's fingertip. This is the first of six journeys taken by Shattuck, each one inspired by a walk once...