Downton Abbey meets Upstairs, Downstairs in this romantic mystery set in 1935, Chicago. Henrietta Von Harmon, a young taxi-dancer, discovers a murder and agrees to go undercover for the aloof Inspector Howard as an usherette in a burlesque club to find the killer.
In This Grave Hour by Jaqueline Winspear;
On Her Majesty's Frightfully Secret Service by Rhys Bowen;
The Lure of the Moonflower by Lauren Willig