Havoc at Hanover Square: A 1920s Murder Mystery

It's December 1926, and all of England is enthralled by the disappearance of mystery novelist Agatha Christie. Miss Pippa Darling, her cousin and best friend Christopher Astley, and Christopher's cousin Crispin, the newly-minted Duke of Sutherland, get in on the action as they speculate, surmise, and go off to the wilds of Surrey to look for clues.

But while they're preoccupied, trouble hits closer to home. Crispin's nuptials to Lady Laetitia Marsden are scheduled for the third weekend in De...