BookView Review: Switch (E&A Investigations series #3) by Lisa Towles

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Genre: International Thriller | Private Investigator

Series: E&A Investigations | Book Three

Indies United Publishing

Pub date September 30, 2025

Author website

Dark secrets, buried tech, and old ghosts collide in Towles’s third installment in the E&A Investigations series. Mari Ellwyn and Derek Abernathy dive into a string of bank heists, only to uncover a deeper mystery: a missing corpse, a vanished Medical Examiner, and a shady global syndicate dabbling in tech and fraud. For Mari, it gets personal fast. The case links to her long-missing father, CIA agent Richard Ellwyn, and their old nemesis, crime boss Jacques Martel. As the threads tighten, Mari must face the truth about her father, and the enemy they share.

Towles leans into speed and sleekness. The action zips across continents and databases, but the emotional core remains grounded in Mari and Derek’s steady-if-strained partnership. He’s loyal and low-key; she’s brittle but determined. Their chemistry, always simmering, keeps the gears turning even when the narrative turns cerebral. The villains here aren’t garden-variety thugs. They’re systems people; ideologues who believe privacy is weakness and that the future belongs to those who can manipulate the present in real time. The result is less a shootout and more a high-stakes chess match, with Towles keeping readers two moves behind and fully invested.

A smart, high-stakes techno-thriller that sacrifices none of its heart in the pursuit of speed.


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