book cover of Tides and Treachery
 

Tides and Treachery

(2025)
(The fourth book in the Ellie Martin National Park Mystery series)
A Story by

 
 
Book 4 in the National Parks Mystery Series

A cozy mystery featuring amateur detective Ellie Martin and her crime-solving dog Watson

When Academic Rivalry Turns Deadly, Only a Dog Detective Can Uncover the TruthEllie Martin thought a maritime mystery writers' conference in picturesque Bar Harbor, Maine would finally give her a peaceful week of writing instead of solving crimes. But when her terrier-lab mix Watson starts acting suspicious around the conference's star maritime historian, Ellie knows their quiet retreat is about to become anything but restful.

Professor Sarah Blackwood's academic reputation is built on romantic tales of Maine smugglers and treasure hunters—stories that local lobster boat captain Becca Shaw claims are complete fiction. When Becca publicly challenges Blackwood's research with documented proof of academic fraud, a scholarly dispute explodes into something much more dangerous.

The next morning, Professor Blackwood is found dead on the fog-shrouded dock, apparently drowned in a tragic accident. But Watson's exceptional nose detects evidence the police miss, and soon Ellie realizes this was no accident—it was murder designed to silence a woman who'd discovered a conspiracy worth millions.


Genre: Cozy Mystery

Used availability for Vivian Vale's Tides and Treachery


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