Detectives: MRS. JEFFRIES by Emily Brightwell

A complete list of Victorian Mystery titles starring housekeeper Mrs. Jeffries, who secretly assists Scotland Yard's Inspector Witherspoon in his cases. Written by Emily Brightwell:

The Inspector and Mrs. Jeffries (1993)
Mrs. Jeffries Dusts for Clues (1993)
The Ghost and Mrs. Jeffries(1993)
Mrs. Jeffries Takes Stock (1994)
Mrs. Jeffries on the Ball (1994)
Mrs. Jeffries on the Trail (1995)
Mrs. Jeffries Plays Cook (1995)
Mrs. Jeffries and the Missing Alibi (1996)
Mrs. Jeffries Stands Corrected (1996)
Mrs. Jeffries Takes the Stage (1997)
Mrs. Jeffries Questions the Answers (1997)
Mrs. Jeffries Reveals Her Art (1998)
Mrs. Jeffries Takes the Cake (1998)
Mrs. Jeffries Rocks the Boat (1999)
Mrs. Jeffries Weeds the Plot (2000)
Mrs. Jeffries Pinches the Post (2001)
Mrs. Jeffries Pleads Her Case (2003)
Mrs. Jeffries Sweeps the Chimney (2004)
Mrs. Jeffries Stalks the Hunter (2004)
Mrs. Jeffries and the Silent Knight (2005)
Mrs. Jeffries Appeals the Verdict (2006)
Mrs. Jeffries and the Best Laid Plans (2007)
Mrs. Jeffries and the Feast of St. Stephen (2007)
Mrs. Jeffries Holds the Trump (2008)
Mrs. Jeffries in the Nick of Time (2009)
Mrs. Jeffries & the Yuletide Weddings (2009)
Mrs. Jeffries Speaks Her Mind (2010)

Collection: Mrs. Jeffries Learns the Trade (2005)
(The first three Mrs. Jeffries mysteries)

More mystery series:
SHERLOCK HOLMES by Sir Arthur Conan Doyle
MARY RUSSELL (and SHERLOCK HOLMES) by Laurie R. King
MISS MARPLE by Agatha Christie
SISTER JANE ARNOLD by Rita Mae Brown
ELLIE QUICKE by Veronica Heley
100 Mystery Series: 1887-2010
Retirement is Murder: 10 Senior Sleuths