Simultaneous - by Eric Heisserer

Book Synopsis

A mind-bending speculative thriller where past lives collide with present danger and the
truth follows you across every timeline.

Federal agent Grant Lukather works in a shadow division of Homeland Security known only as Predictive Analytics, a unit trained to detect catastrophic events before they occur. When an anonymous tip warns of a deadly explosion in New Mexico, the case quickly spirals into something no model or agent has ever prepared for. Grant's search leads him to Sarah Newcomb, a therapist whose unusual method of past-life

hypnosis has revealed something impossible: a pattern connecting her patients to crimes happening right now.

As Grant investigates a disturbing copycat murder in Colorado, the two uncover a phenomenon that stretches across multiple states, multiple timelines, and multiple versions of the same lives. With the help of Sarah's most troubled patient, they form an unlikely trio navigating shifting realities, fractured memories, and a killer who seems to exist everywhere at once.

Time is folding in on itself. Identities are merging. And every choice they make in one life echoes dangerously into the next.

From the Oscar-nominated screenwriter of "Arrival," Simultaneous delivers:
Stunning reveals and reality-bending twists
A tense, race-against-time serial-killer mystery
A supernatural edge rooted in fate, free will, and the weight of past lives
Characters whose connections deepen across lifetimes

Perfect for fans of early Dean Koontz, Blake Crouch, and mind-twisting supernatural thrillers. If your past is chasing you, how far can you run when it knows your future?

"A twisty, mind-bending thriller that will keep you guessing until the final gut punch." --Leigh Bardugo

Review Quotes

"A twisty, mind-bending thriller that will keep you guessing until the final gut punch." --Leigh Bardugo, #1 New York Times bestselling author of Ninth House, Shadow and Bone, and Six of Crows

"Eric Heisserer's Simultaneous has a mind-blowing premise and razor-sharp execution. Wildly imaginative, emotional, and propulsive--I could not put it down!" --David Koepp, acclaimed screenwriter of Jurassic Park and author of Cold Storage

"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: a novel with the cinematic stakes and pacing as one of his brilliant scripts." --Josh Malerman, New York Times bestselling author of Bird Box and Incidents Around the House

"Screenwriter Heisserer debuts with this mind-blowing novel that examines assumptions about existence and reincarnation. [. . .]This adrenaline-fueled sci-fi thriller is based on a reincarnation premise that seems eminently plausible and logical. An endlessly interesting book that is impossible to put down." --Library Journal (starred review)

"Simultaneous is a thrilling, fast-paced speculative crime fiction packed with twists, a truly unique premise, and just the right touch of humor. Eric Heisserer's debut novel is bold, mind-bending, and most of all a must-read for fans of the genre."--Capes & Tights

"The twists and turns are wild and completely unpredictable, and the story only gets better as it becomes increasingly complex. Heisserer received an Oscar nomination for screenwriting for the film Arrival, and he delivers the cinematic scope and intensity of a novel-writing pro. And the ending! It's hard to believe this is his first novel, and readers will eagerly want more."--Jeff Ayers, First Clue

"Fast-paced, action-packed, and filled with revelatory ideas, Simultaneous is a quick and enjoyable read that approaches the topics of time travel and reincarnation from a novel perspective."--The Portalist

"Oscar-nominated screenwriter Heisserer debuts with a mind-bending sci-fi thriller.... [The] nuanced characterizations make it easy to buy into his plot, which dazzles with its manipulations of time and its jaw-dropping reveals. This auspicious first outing will excite fans of Blake Crouch."--Publishers Weekly

About the Author