Columbia subject headings:
Harvard subject headings:
Detective and mystery fiction.
Government investigators--Fiction.
Murder--Investigation--Fiction
Terrorism--Prevention--Fiction
Thrillers (Fiction)
United States. Federal Bureau of Investigation--Fiction.
Princeton subject headings:
Government investigators--Fiction.
Murder--Investigation--Fiction.
Terrorism--Prevention--Fiction.
United States. Defense Intelligence Agency--Fiction.
United States. Federal Bureau of Investigation--Fiction.