Then There Were... Two Murders?: A Cozy Historical Mystery of Murder, Deception, and a Sharp Female Sleuth

She's determined to bring a murderer to justice. Can a whip-smart woman solve a crime nobody else believes happened?
England, 1953. After her first success, Miss Riddell has caught the mystery bug. Excited to demonstrate that she's a talented up-and-coming detective, she eagerly agrees to help an elderly lady pry into strange occurrences. But when the aspiring amateur sleuth arrives to discuss the particulars, she's alarmed to discover her client dead.
Refusing to believe the police ruling ...