Simultaneous by Eric Heisserer
In theory, I shouldn't have picked Simultaneous up. I'm not a fan of time travel, and even though this isn't technically a time-travel book, it does bear similarities to one. Second, they are tracking a serial killer and I typically avoid serial killer books. But it won the 2026 Audie Award for Best Science Fiction, so I picked it up, and it's a fun ride if you can go along with it.
Grant is a Homeland Security agent in the Department of Predictive Analytics. They essentially investigate "predictions" of terrorist events, always discovering fraud is involved. This time, however, when a pipeline explosion is predicted in advance, Grant is dragged into a different sort of investigation. He meets Sara, a past-life hypnotist, and her client, Marigold. The quirk is that Marigold's "past life" is actually being lived by another person in the present. Unless it's all an elaborate con.
The concepts are interesting and the book moves along at a quick pace....




