Quinn Fawcett is the penname of a pair of authors, Chelsea Quinn Yarbro and Bill Fawcett, who also write separately. Among their collaborations are a series of mysteries featuring Victoire Vernet, fictional wife of one of Napoleon's generals, a series featuring Sherlock Holmes's brother Mycroft, and a series fictionalizing the espionage experiences of James Bond creator Ian Fleming.
Mme. Vernet books :
Napoleon Must Die (1993, ISBN 0-380-76541-1)
Death Wears a Crown (1993, ISBN 0-380-76542-X)
Mycroft Holmes books :
Against The Brotherhood (1997, ISBN 0-8125-4523-0)