Sea Castle

Thomas & Mercer: Amazon. (Underwater Investigation Unit, Bk. 4). Feb. 2023. 316p. ISBN 9781662506413. pap. $16.99. THRILLER
Mayne creates a world that blends the crime writing of Michael Connelly with high-tech oceanography in his “Underwater Investigation Unit” series. The follow-up to Sea Storm has Sloan McPherson, of the currently on hiatus Underwater Investigation Unit, consulting on the discovery of a body that washes ashore near Fort Lauderdale, FL. She believes it is murder, but the initial autopsy creates more questions than answers. She decides to reach out to a homicide detective on the outs with her colleagues. Gwen Wylder proves to be a real piece of work. Rude and unapologetic, Wylder might have a brilliant mind, but she begins their working relationship by having Sloan investigate some cold cases. Saying they clash in the beginning is an understatement, and it doesn’t get any smoother as they work together to get answers, even at the expense of their superiors.
VERDICT The series never ceases to be fascinating, making characters sink or swim as lives are on the line and the story veers in unexpected direction. Required reading for any suspense fan.
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