J.T. Baier

Six years ago, Matthew Riker stared into the face of evil. Riker has gone up against terrorists, kidnappers, and drug cartels, but the greatest evil he faced in his QS-4 career was a man named Charles Fraction. Now Fraction has resurfaced, and Riker will stop at nothing to take him down. ...

Just when everything seems perfect… the enemy strikes. After the defeat of Charles Fraction, things are going well for Matthew Riker. His relationship with Jessica has never been stronger, he has a team he can trust, and QS-4 is focused on making the world a better place. But when Riker and...

Matthew Riker promised to walk away from a life of violence. Now he’s broken his word, and it’s time to pay the price. After the events of The Import, Riker finds himself on the wrong side of his former employers, an elite mercenary group called QS-4. To escape with his life, Riker agrees to...

Some skills you never lose. Killing is one of them. Matthew Riker keeps to himself, doesn't cause trouble, and never talks about his past. But after a chance encounter with a woman and a small child on the run, Riker will have to make a choice: use his hard-won skills to protect two innocent...

When Matthew Riker returns to Iowa to attend the funeral of his high school wrestling coach, he finds a lot has changed since he last set foot in his hometown. His best friend may be involved in moving drugs, and his cousin is struggling to help at-risk teens. Worst of all, there may be more to...