Sea Castle cover art

Sea Castle

A Thriller (Underwater Investigation Unit, Book 4)

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Sea Castle

Written by: Andrew Mayne
Narrated by: Susannah Jones
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About this listen

A Wall Street Journal bestselling series. A deep diving investigator is pulled into the depths of a string of unsolved serial murders in a riveting thriller by the Amazon Charts bestselling author of Sea Storm.

When a young woman washes ashore on a Fort Lauderdale beach, Sloan McPherson of the Underwater Investigation Unit is called in to consult. Sloan’s instinct says murder, but even then, there are too many questions.

For answers she reaches out to Gwen Wylder. The Miami homicide detective is notorious for being manipulative, bitter, a tyrant to her peers, and wicked smart. And she demands something in return from Sloan: fresh insight into seemingly unrelated cold-case murders and disappearances—and a possible serial killer trolling the Florida coast.

As loose ends of the old files begin to come together, another woman disappears. Sloan and Gwen are certain she’s the newest link in a deadly chain. They are determined to track her down before she dies, but they soon find themselves in uncharted waters. And the deeper Sloan and Gwen go, the stranger the case gets.

©2023 Andrew Mayne (P)2022 Brilliance Publishing, Inc., all rights reserved
Action & Adventure Action Thrillers Crime Thrillers Mystery Mystery, Thriller & Suspense Police Procedurals Thriller & Suspense

Continue the series

Dark Dive cover art
Dark Dive Written by: Andrew Mayne

Critic Reviews

“Narrator Susannah Jones skillfully conveys the intricacies of Mayne's complex plot, which chillingly delves into the psyche of a serial killer. Jones creates a variety of engaging character voices, keeping listeners wholly invested in the story. Thriller fans will be intrigued by this unique police procedural. Share with fans of Lisa Gardner, Michael Connelly, and Karin Slaughter.”Library Journal

“The plot comes together like the proverbial puzzle, each juicy piece adding a bit to a disturbing big picture. A savvy police procedural that executes a familiar formula with panache.”Kirkus Reviews

“Mayne combines a brilliant, innovative female lead with a plausibly twisty plot. Kinsey Millhone fans will love McPherson.”Publishers Weekly (starred review)

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