It's Not Her: A Twisty Thriller about Two Families and a Chilling Lake Resort Crime from the Author

AN INSTANT NEW YORK TIMES BESTSELLER AND A GOODREADS TOP THRILLER OF 2026!

“A gripping thrill ride.” —Jeneva Rose
“Tantalizing, terrifying and all too real.” —Shari Lapena

Two families at a secluded lake resort are at the center of a chilling crime in this twisty thriller from the bestselling author of Local Woman Missing

A scream shatters the silence…
Courtney Gray’s peaceful vacation turns into a nightmare when she discovers her brother and sister-in-law dead in their lakeside cottage. Her niece Reese is missing. Her nephew Wyatt is asleep upstairs—unharmed.

A town full of secrets…
As police swarm the quiet resort, dark truths about Courtney’s family—and the town itself—begin to surface. Is Reese a victim… or the killer?

A truth no one saw coming…
With everyone hiding something, Courtney races to uncover the terrible mystery. But the closer she gets, the harder it is to know who—or what—to trust.

“Cancel your plans, you won’t be able to put this one down.” —Chris Whitaker
“Wickedly smart and incredibly twisted.” —Ashley Elston

Check out these other riveting thrillers from Mary Kubica:
The Good Girl
The Other Mrs.
Local Woman Missing
She's Not Sorry

Mary Kubica is a New York Times bestselling author of thrillers including The Good Girl, Local Woman Missing and She''s Not Sorry. Her books have been translated into over thirty languages and have sold over five million copies worldwide. She’s been described as “a helluva storyteller” (Kirkus Reviews) and “a writer of vice-like control” (Chicago Tribune), and her novels have been praised as “hypnotic” (People) and “thrilling and illuminating” (LA Times). She lives outside Chicago with her husband and children.

“A gripping thrill ride with razor sharp tension and a whiplash ending I never saw coming. Kubica is a masterful storyteller!” —Jeneva Rose, #1 New York Times bestselling author

“A family vacation turns unspeakably grim. I relished every page. Tantalizing, terrifying and all too real. I couldn’t put it down.” —Shari Lapena, New York Times bestselling author of She Didn’t See It Coming

“Twisting. Chilling. Heartbreaking. Mary Kubica is the master of misdirection, and It’s Not Her is the kind of killer thriller that keeps you guessing until the final page. Cancel your plans, you won’t be able to put this one down.” —Chris Whitaker, New York Times bestselling author of All the Colors of the Dark

“A family vacation takes a deadly turn and will have you questioning everything and everyone in this chilling, fast-paced thriller. Wickedly smart and incredibly twisted, It’s Not Her hooked me from the start and never let go! You will not be able to put this one down!” —Ashley Elston, #1 New York Times bestselling author of First Lie Wins

“Compulsively readable and impossible to put down, this book starts with a bang and doesn't let up. It’s Not Her is both a terrifying, twisting thriller, and a glimpse into the heart of a family both before and after a tragedy. Mary Kubica is an absolute master of suspense!” —Megan Miranda, New York Times bestselling author of You Belong Here

"Impressive." —Kirkus

"Perfect for fans of Freida McFadden and Shari Lapena." —Reader's Digest

“Heart pumping.” —Marie Claire

“[Kubica] keeps the reader guessing, revising, and then guessing some more in the well-plotted and superbly paced It’s Not Her.” —Bookpage