Predestination and Other Games of Chance: Book One of The Antithesis Progression by J. Daniel Sawyer

In the Port of Call bar on Space Station Sidon a man sits at a card game. He's ruthless, he's unforgiving, and he almost never loses. His name is Alex Hart, and he is waiting for someone.Reuben Briggs never could play nice with others. As a professor he couldn't stay out of trouble. As the National Security Advisor he couldn't resist using other people's secrets to leverage his agenda. He always attracted the wrong kind of attention, and in 2125 that attention turned deadly. A Lunar judge wants his secrets, a corrupt senator wants him dead, the Green Lady wants his fealty, and Alex Hart wants to play cards with him.Walking into the Port of Call, Briggs thinks he's left all the bounty hunters behind him. But in the looking-glass world above the gravity well, he's about to discover that survival, like poker, is just another sport.And in this contest, it's not whether you win or lose. It's how you rig the game.