Cloud by day: The story of coal and coke and people

This book, written from the author's personal knowledge of the district, is a picture of the fabulous and violent past of Pennsylvania's famed coke region and of its uncertain present. In tracing its history Sheppard shows the changes in methods of production and in the racial character of the population; she pictures early mob violence, the activities of coal and iron police, and the conditions that led to union organization in the section.