Ghosts of Time, 4

Set during the final days of the American Civil War, this installment of the Jason Thanou Time Travel series follows Jason and his team as they confront a dangerous transhumanist threat. Building on the events of the previous book, Pirates of the Timestream, the narrative blends historical intrigue with science fiction elements, showcasing the team's efforts to navigate the complexities of time travel while battling formidable foes.