The Inevitable - Joshua Soule - Bog

Jack Helm has dreamed of time travel since he was a boy. Now he works his dream job as a Supreme Time Court Justice.
Along with his colleague, federal time agent Hailey Styles, Helm realizes that the corrupt system is not designed to benefit the common citizen, but only the elite.
Jack's reservations about the system are verified when he becomes informed about time travel's most gruesome reality... When someone is granted passage through time, one version of themselves must be killed - a phenomenon known as the inevitable.
Now, Jack and Hailey fight to build a life of happiness before the system that they once loved destroys their future.