Betrayal. Revenge. Patriotism.

Allison Quinn has dedicated her life to protecting the Constitution andthe people of the United States. But when a shadowy group called Anarchists forTomorrow launches relentless cyberattacks across the nation,Allison knows their ultimate target will be more than digital—it will bedevastatingly symbolic.

The stakes skyrocket as Allison uncovers their plan to strike at theheart of American identity—Mount Rushmore. Racing against the clock in therugged Black Hills of South Dakota, she must outthink a high-tech threat andoutmaneuver a network of radicals determined to bring the country to its knees.But in a mission where no one can be trusted, danger lurks at every turn.

This isn't just about national security. It's personal. Allison isconvinced these terrorists are tied to her father's unsolved murder. Findingthem means uncovering long-buried truths, seeking justice for the ones she'slost, and facing a reckoning that could shatter her world.

As the fight intensifies, Allison realizes the cost of stopping theseattacks may be unbearably high. Can she catch the enemy before the unthinkablehappens? Or will justice for her family demand a sacrifice that changeseverything?

In Oath of Allegiance, the line betweenjustice and devastation has never been thinner.

The Allison Quinn Thriller series is a mainstream, high-stakes thriller for fans of Jack Mars, Vin Strong, and Laura Rise. Each book in the series can be read as a standalone. These books contain a small amount of adult language and violence, as is customary for the genre.

Vannetta Chapman is the USA Today and Publishers Weekly bestselling author of 50 novels in a variety of genres that include dystopian, suspense, romantic suspense, romance, and cozy mystery. Having sold more than one million copies, she currently writes full time and resides in the Texas Hill Country.