Tides of Justice: The Waterline Files: Volume 1
Paperback
Mystery & ThrillerGeneral Fiction
Publisher: Independently Published
Published: Apr 28 2026
Pages: 356
Weight: 0.78
Height: 0.79 Width: 5.00 Depth: 8.00
Language: English
A detective. Two worlds. Five cases that will change both of them forever.
Detective Sarah Marsh has a secret she hides from her colleagues at the New Innsmouth Police Department: she's not entirely human. Born of Innsmouth bloodline, her transformation is already underway-gill slits concealed beneath her collar, webbing hidden by gloves-and her real employer isn't the police department. It's the Deep One Council, the ancient governing body of a civilization that has existed alongside humanity for millennia, hidden beneath the waves.
Sarah enforces two sets of laws. When those laws conflict, she has to choose, and every choice has consequences in both worlds.
Tides of Justice collects five interconnected noir investigations that push Sarah toward a reckoning she can no longer avoid:
The Masquerade Matters - Fishing boat attacks that look like eco-terrorism reveal a militant Deep One faction working with Sarah's own sister to force the exposure neither world is ready for.
The Smuggler's Price - Ancient artifacts are moving through Boston's black market, sought by a syndicate with access to a tunnel network older than human civilization, and a key that could open something far worse.
Surface Tension - Five accidental drownings near a tourist beach aren't accidents. Someone is forcing human transformation without consent, preparation, or mercy.
Depths of Deception - A hybrid scientist steals classified research on Deep One biology and plans to go public-not out of malice, but out of desperation. The hardest cases are the ones where the perpetrator isn't wrong.
Blood in the Water - When a hybrid diplomat is found murdered on Jenkins Beach, Sarah has forty-eight hours to solve the case before an ancient civilization goes to war with the surface world.
Perfect for readers of Lovecraftian noir, supernatural crime fiction, and character-driven mystery series. Fans of the Dresden Files, the Rivers of London series, and Lovecraft Country will find a richly built world where the horror is real, the cases are urgent, and the detective standing between two civilizations is running out of time to keep them apart.
The Waterline Files: Book One. Part of the Tidal Mythos universe.
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