book cover of The Mill House Murder
 

The Mill House Murder

(2026)
(The third book in the Marnie Devlin Cozy Mystery series)
A novel by

 
 
A killer is harvesting more than autumn leaves in Willow Springs...

Marnie Devlin traded her teaching career for a vintage boutique and a fresh start in small-town Missouri. Now sixty-five, she's finally found her rhythm—until a ruthless real estate developer turns up dead, and the town's Harvest Festival preparations take a deadly turn.

With her opinionated Chihuahua, Taco, at her side and her sharp-witted assistant Ruby backing her up, Marnie digs into a mystery that reaches back generations. The EMT Lila evicted makes a convenient suspect. So does the tech specialist she accused of hacking. But when fifty thousand dollars vanishes from local businesses and attacks strike anyone who gets too close to the truth, Marnie realizes the real killer is hiding in plain sight.

Someone in Willow Springs has been planning revenge for years, and they'll do whatever it takes to protect their secret. With the festival approaching and danger closing in, Marnie must unmask a murderer before she becomes the next name on the killer's list.


Genre: Cozy Mystery

Used availability for Sloane Foster's The Mill House Murder


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