Switch

E&A Investigations Thriller Series Book 3

Fiction - Thriller - General
360 Pages
Reviewed on 07/24/2025
Buy on Amazon

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Author Biography

Lisa Towles is an award-winning crime novelist and a passionate speaker on the topics of fiction writing, creativity, and self care. She has 14 crime thrillers in print with a new title, Switch, forthcoming in September of 2025. Switch is the 3rd and final book in her E&A Investigations thriller series. Her 2024 thriller, Specimen, won an Pencraft and an BookFest award for best thriller. Lisa is a member of Mystery Writers of
America, Sisters in Crime, and International Thriller Writers and is deeply committed to supporting other writers. She does this by hosting an author interview series, Story Impact, on YouTube. Lisa is a frequent speaker and panelist and has an MBA in IT Management. She works full-time in the tech industry as a communications strategist. Learn more at www.lisatowles.com, strategicselfcare.blog, or follow Lisa on social media: linktr.ee/authortowles.

    Book Review

Reviewed by Alija Turkovic for Readers' Favorite

Switch by Lisa Towles centers on Marissa Ellwyn (Mari), an ex-CIA agent turned PI, who struggles to navigate her life challenges in light of a string of unforeseen events. The novel opens with Mari recovering at her family's estate after sustaining a critical injury during a previous case. She is frequently haunted by unresolved issues related to her family's dysfunctional dynamics. What starts as an investigation headed by Mari and her PI partner, Derek, into a series of shocking bank heists culminates in the search for a missing cadaver and a Medical Examiner who has disappeared without a trace. Mari's investigation slowly points to her father, a CIA agent, and a crime boss from her father's past. Can Mari confront the secrets buried beneath the surface of her life and solve this harrowing case once and for all?

Lisa Towles' Switch is a riveting suspense thriller that blends danger, unresolved trauma, family drama, and professional intrigue. The shifting perspectives and interlaced plot paint a clear picture of how buried secrets can create conflict within family dynamics. The most captivating aspect is how well the author explores intense emotional grievances in a tightly woven plot filled with deception and crime. This engaging narrative will have readers questioning the reliability of the characters' memories and their underlying motives. I admire the way Towles also uses Mari's journey to depict the grey areas and institutional corruption that exist between private investigation and law enforcement agencies. Overall, this book was a very satisfying read. If you enjoy novels with investigative themes and detailed forensic and legal procedures, Switch is the perfect book for you.

Lisa Towles

I couldn't be more excited to have the 3rd and final book in my E&A Investigations Series ready to launch into the book-reading world. Now I have a completed, actual series! Switch will be available for purchase on September 30th and this book brings back Mari and Derek in their deepened professional partnership for the most high-impact challenge of their careers. I hope readers enjoy it as much as I enjoyed writing it.

Thank you for reading!

Prairies Book Review

“A taut, high-intelligence thriller with real emotional teeth…”

Scott Olsen, San Francisco Book Review

"Fast-paced, smart, and full of twists, this is a thriller that delivers both heart and heat."

Literary Titan

"A breakneck techno-thriller that crackles with smart dialogue, raw emotion, and relentless tension.”

Romuald Dzemo, The Book Commentary

"This exhilarating, action-infused crime thriller deftly incorporates suspense with harrowing drama to keep readers turning the pages."

BookView Reviews

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

Diane Donovan, Midwest Book Review

“Well developed tension, superior characterization, and unexpected developments, Switch will shiver the timbers of any thriller reader.”