Not My Husband

Not My Husband by Cathryn Grant is out now, published January 16, 2026.

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Not My Husband Release Date: January 16, 2026

Published

Today is the first day of my honeymoon, and I feel like the luckiest girl in the world. But as I roll over to face my new husband, Jay, my scream breaks the silence… The man in bed with me is not the man I married.

I beg him to get out, but he laughs and says I’ve always had an overactive imagination. He tells me that I’ve been under a lot of stress lately, so my mind must be playing tricks on me. I don’t believe him, but as he begins to describe me walking down the aisle, and other details from the wedding that only Jay could know, it has my head spinning. I’m certain this isn’t my husband, so how does he know so much?

I rush out of the beautiful suite, ignoring the warm ocean breeze and scent of tropical flowers in the air. When I reach hotel reception, I beg for help, but instead of calling the police, the busy staff exchange worried looks. They think I’ve lost it.

Then the strange man who is not my husband, walks up behind me and drapes his arm around my shoulders. ‘Don’t make a fuss,’ he whispers in my ear. My heart races. I’m in paradise, but I’m trapped in a nightmare.

Why won’t anybody believe me when I say this isn’t the man I married? Who is he, and what has he done with my husband?

If you loved the TV show
The White Lotus
 and books The Housemaid and The Perfect Marriage, then you will adore reading this truly nail-biting thriller from bestselling author, Cathryn Grant. It’s sure to keep you up all night!

What readers are saying about Cathryn

“Wow… Plot twists completely blindsided me… Addictive… Phenomenal… On edge from the start to the finish… Jaw-dropping!” Goodreads reviewer, ⭐⭐⭐⭐⭐

“Holy heck!!! I loved, loved, loved this!… Perfection!!!… I couldn’t stop turning the pages.” Travel_thru_books, ⭐⭐⭐⭐⭐

“Addictive… Had me gasping… Impossible to put down… Big WTF moments that completely sealed the deal… I was left staring at my e-reader thinking, ‘Wait, WHAT just happened?… Absolutely blindsided me… My heart was racing and my brain was still trying to process the tangled web of lies.” The_blonde_chapter, ⭐⭐⭐⭐⭐

“10 stars… From the very first page, you’re hooked… I was fist bumping because YAAAAASSSSSS… This book was PHENOMENAL.” Goodreads reviewer, ⭐⭐⭐⭐⭐

“Wooooooh there a minute. Let’s take a breath. Gather ourselves and then do some applauding because what brilliant kind of read was that!?… This goes to top, top, top, top to a top list of mine… I loved this book.” Goodreads reviewer, ⭐⭐⭐⭐⭐

“You ever have that tiny voice in the back of your head whisper, “Run, girl,” when things seem a little too perfect? Yeah, that voice was SCREAMING the minute I opened this book.

Reader Anticipation Rating:
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Genre: Thriller

Cathryn Grant

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Book Club Journal: Reading Log For Adults & Kids Who Love Books!
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