In Primary Duty: The Forging of Luke Stone, Book 6, a groundbreaking action thriller by number one best seller Jack Mars, a Supreme Court justice is taken hostage by a terrorist organization. With a consequential decision before the court, the death of this swing Justice could change the political landscape for decades.

Getting him back, against the backdrop of a massive marvel of engineering, would be mission impossible - a mission that only elite Delta Force veteran Luke Stone, 29, and the FBI’s Special Response Team, may be crazy enough to take on.

In this action-packed military thriller, filled with shocking twists and turns, the stakes as high as can be, Luke and his team may be up for their most challenging mission yet.

Primary Duty is a stand-alone, un-putdownable military thriller, a wild action ride that will leave you turning pages late into the night. The precursor to the number one best-selling Luke Stone Thriller Series, this series takes us back to how it all began, a riveting series by best seller Jack Mars, dubbed “one of the best thriller authors” out there.

Also available is Jack Mars’ number one best-selling Luke Stone Thriller series (seven books), which begins with Any Means Necessary (Book 1), a free download with over 800 five-star reviews!