book cover of The Case of the Secret Letters
 

The Case of the Secret Letters

(2026)
(The fourth book in the Windy Willows Whodunit Cozy Mystery series)
A Story by

 
 
Christmas at Windy Willows should mean warm fires, good company, and peace after months of unsettling discoveries.

Instead, Julia Hawthorne wakes to find a century-old writing desk waiting on the doorstep.

Behind a hidden panel, Julia and her grandmother Charlotte discover letters dating back decades, each pointing toward disappearances, suspicious deaths, and a campaign of fear that reaches deep into Prairie Grove’s past.

When Julia discovers that the letters were meant for her late grandfather, the mystery becomes personal.

Someone has protected this mystery for nearly two centuries

With danger closing in, Julia refuses to abandon the truth. Alongside her grandmother Charlotte and steadfast Constable Chester Corrigan, she digs through family records, forgotten histories, and secrets buried across generations.

The letters were hidden for a reason—and uncovering who wrote them may be Julia’s most dangerous mystery yet.




Genre: Cozy Mystery

Used availability for L A Marie's The Case of the Secret Letters


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