Powwow practitioners of York County, the headless ghost of a murdered girl that roams the back roads of Schuylkill County and the Hummelstown Hermit who still lingers in Indian Echo Caverns--these tales are all part of the lore of South Central Pennsylvania. Such legends offer a fuller history of the region, from the folkways of the Pennsylvania Dutch to the stories of the rocky relations between German and English settlers and local tribes. Folklorist...