Detective Hamilton Pope faces the toughest case of his career when a serial killer prowls the streets of Dallas and Fort Worth, committing murders with no apparent pattern but always using the same weapon, a sharp hooked knife
Librarian note: Dates taken from the Find a Grave website for a Hardie Edward Mathis who died in 1988. There are six works published under the Edward Mathis name between 1988 and 1992 though.