Rocks in the roadway: A treatise on police public relations, by a police officer, for police officers By Hollingsworth, Dan Books / Paperback True Crime Publisher: D. Hollingsworth, January 1971 Price $23.79 Free Shipping Send to a friend Used - Good Good condition. Owner's name on front cover. (police-community relations) $23.79 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.