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When a dangerous AI weapon disappears, all hell breaks loose in a high-stakes thriller by New York Times bestselling author Jeffery Deaver and Wall Street Journal bestselling author Isabella Maldonado.
A high-stakes theft draws federal agent Carmen Sanchez and brilliant hacker Jake Heron into the hunt to recover the stolen Epsilon Core, a revolutionary autonomous weapon engineered to operate beyond human control.
An enemy in the shadows is assembling the final components to unleash it, causing unimaginable casualties. To stop the unthinkable, Carmen and Jake--experts in exposing intrusion and threats--must track down a mastermind who hides in plain sight behind a perfectly chilling disguise.
Racing against mercenaries, arms dealers, cult conspiracies and a nemesis from Jake's past, the unlikely partners must navigate a complex and increasingly personal relationship--one put to the test when Jake himself falls under suspicion.
As the clock runs out, and the Epsilon Core's devastation looms, Carmen must decide if she can trust her partner, a man she may not even recognize anymore.
(c) 2026 by Gunner Publications, LLC, and Isabella Maldonado, all rights reserved.
Jeffery Deaver
Jeffery Deaver is the No.1 international bestselling author of more than forty novels, three collections of short stories, and a nonfiction law book. His books are sold in 150 countries and translated into twenty-five languages.
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Isabella Maldonado
Isabella Maldonado is the award-winning international and Wall Street Journal bestselling author of the Daniela Vega series (in development by Justin Hartley for ABC television), the Veranda Cruz series (optioned by Universal for development into a TV series), and the Nina Guerrera series, as well as the Sanchez & Heron series coauthored with Jeffery Deaver. Her books are published in twenty-six languages and sold in sixty countries. Maldonado wore a gun and badge in real life before turning to crime writing and uses her law enforcement background to bring a realistic edge to her stories. A graduate of the FBI National Academy in Quantico and the first Latina to attain the rank of captain in her police department, she retired as the Commander of Special Investigations and Forensics. During her more than two decades on the force, her assignments also included hostage negotiator, department spokesperson, and precinct commander. For more information, visit www.isabellamaldonado.com.
More by Isabella Maldonado
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