Columbia subject headings:
Harvard subject headings:
Alternative histories (Fiction)
Berlin (Germany)--Fiction
Germany (East)--Fiction.
Germany (East)--Relations--Germany (West)--Fiction.
Germany (West)--Relations--Germany (East)--Fiction.
Murder--Investigation--Germany--Berlin--Fiction.
Police--Germany (East)--Fiction.
Political fiction.
Princeton subject headings:
Detective and mystery stories.
Fiction.
German fiction--21st century.