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Caller Unknown by Gillian McAllister

04.27.2026 by Jen Ryland // 4 Comments

My review of Caller Unknown by Gillian McAllister discusses that I have been a fan of her work since Wrong Place Wrong Time, which was a Reese’s Book Club pick. Caller Unknown has not-great Goodreads ratings, so let’s discuss that!

Caller Unknown by Gillian McAllister

Table of Contents:

  • Jen’s Quick Take on Caller Unknown
  • My Review of Caller Unknown

Jen’s Quick Take on Caller Unknown

Cover of Caller Unknown on a white background with a cell phone
  • Caller Unknown is a domestic thriller set in remote Texas, featuring Simone, a British woman and her daughter Lucy
  • When Lucy vanishes from of an Airbnb in the middle of the night, Simone is perplexed. When Simone gets a call saying that Lucy has been kidnapped for ransom, she is is terrified.
  • I’ll be honest: most of this book is COMPLETELY farfetched. Which, as someone who is wary of kidnapping stories, actually made it easier for me to read.
  • I think this book could work for readers looking for a quick brain candy read (and who don’t mind kidnapping)
  • If you haven’t tried a book by Gillian McAllister, please try Wrong Place, Wrong Time (my review link) or Just Another Missing Person, or my favorite, Famous Last Words (more review links).
  • Publication date: May 5, 2026 by William Morrow. Thanks to them for the review copy!

Jen’s Review of Caller Unknown

I’m a BIG fan of Gillian McAllister, but must confess this is my least favorite of her books (I have linked my reviews of three of her prior books above).

I thought Caller Unknown had interesting elements and aspects that I think not every reader will enjoy.

I tend to avoid kidnapping stories (creepy) especially those involving kids (just …. no.) But because I enjoyed Famous Last Words so much, and it also had some creepy elements, I decided to try it.

What I enjoyed: the story had an interesting mother-daughter dynamic, and I thought it was definitely a page.

The “hmmmm” parts: if you like books to be credible, this book might not be for you. The credibility level is about 5% and a lot of things don’t make sense at all. It’s all a bit hand-wavey and felt kind of rushed and half-baked but if Harlan Coben can do that, why can’t Gillian McAllister?

Categories // Reviews Tags // adult fiction, new books, thriller

About Jen Ryland

Over 12 years of book blogging and reviewing, I have read over 1500 books. A fair and honest reviewer who loves book discussions, I'm here to help you find a book you'll love to read AND give you a place to talk about it and ask questions.
Find me on Instagram and Pinterest as @jenryland!

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4 Comments
Catherine
2 months ago

I enjoyed this book. It was fun to read. Sometimes I don’t care if something is far fetched. It was different and I enjoyed that. The writing style kept me reading. Now I’m reading one big happy family. It is really good too.

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Author
Jen Ryland
2 months ago
Reply to  Catherine

I agree! I love a good popcorn book, especially in the summer. I do like to try to warn my mystery lover readers (who are all about facts and logic) about books they might drive them over the edge 🙂

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Jennifer
1 month ago
Reply to  Jen Ryland

I am one of the ones that this book drove over the edge! Lol

I actually came here hoping for a spoiler post to find out how it ends. Now, I’ll have to skim the rest. Ha!

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Author
Jen Ryland
1 month ago
Reply to  Jennifer

Sorry. Sometimes when it’s that outlandish I just can’t!!!

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