There are a few remaining wild places in Texas, notes author and nature educator Michael A. Smith, and exposure to these locales--from the high deserts and mountains of the Big Bend to the prairies and grasslands across the center of the state and the Piney Woods and Big Thicket of East Texas--can be restorative, both emotionally and physically. In this thoughtful tour of Texas ecoregions, Smith--also a licensed psychological associate--weaves...