Parker is book 25 in the Reed Security series and it is recommended that they are read in order.
Parker I've been disgraced. I have nothing left to my name after being dishonorably discharged from the military. But I was falsely accused. It doesn't matter though. It would take a Presidential pardon for me to get my life back, and I don't see that happening anytime soon. But then Knight walked into my life and offered me a chance at redemption...