Simultaneous

By: Eric Heisserer

Published by Flatiron Books, 2025-10-28

<p><b>“A twisty, mind-bending thriller that will keep you guessing until the final gut punch.” —Leigh Bardugo</b><br><br><b>“Past lives and parallel lives, crime and potential punishment—but the most thrilling thread here is facing belief in a wild theory, a worldview changing, as the theory becomes the most sensible one on the table. Heisserer has outdone himself.” —Josh Malerman,<i> New York Times</i> bestselling author of <i>Bird Box </i></b><br><br><b>From the Oscar-nominated screenwriter of <i>Arrival </i>comes a phenomenal speculative thriller about a federal agent and a therapist who team up to stop an otherworldly killer.</b><br><br>Federal agent Grant Lukather works for an unknown department of Homeland Security called Predictive Analytics. They look for patterns in tips and chatter to prevent a terrorist event before it happens. One of these calls, about a possible explosion in New Mexico, leads Grant to a case with unimaginable consequences.<br><br>He meets Sarah Newcomb, a therapist who uses past-life hypnosis in her treatment but has recently stumbled upon a phenomenon that seems to defy logic. Grant follows this thread to another crime: a copycat killer case in Colorado. With the help of one of Sarah’s patients, they embark upon an investigation that spans multiple states, timelines, and consciousnesses. With limited time and only a tenuous grasp of how this phenomenon works, the unlikely trio are in a race for their lives—past, present, and future.<br><br>Full of thrilling reveals, stunning plot twists, and a mordant sense of humor, <i>Simultaneous </i>is a mind-bending, one-of-a-kind thriller by a true genre star.</p>