His Double Life

by A.J. Carter

Do you really know the man you love?

When Mia receives an anonymous note claiming her perfect boyfriend isn’t who he says he is, her entire world unravels. Love turns to suspicion, and every trip, text, and touch begins to feel like a lie. As secrets surface and danger closes in, Mia must uncover the truth – before the man she trusts most becomes the one she fears.
—————

416 pages, Kindle Edition

Published November 20, 2025

About the author

AJ Carter is a psychological thriller author from Bristol, England. His first book, The Family Secret, is praised by critics around the world, and he continues to regularly deliver suspenseful novels you can’t put down.

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Reviews

[Mark · Rating 5 out of 5]

‘Hystjasonal’ is a great new word learnt, at first I was pompously sending a screenshot to the author shouting ‘error’ but then on re reading realised a it was a very clever play on words re the main character of this pure psychological thriller, charming ideal and loving Jason Harrington

Jason is ‘going out’ with Mia and I had to accept and let it go how naïve Mia was/is as Jason is obviously stringing her on and has a double life ( no spoilers, the title tells you as much ) what she would discover though is that he wasn’t just playing her he was a complete sociopath who had more than a complex life

As the life untwists before us we see how a seemingly charming man is anything but and in fact is a….well thats not in the title so will leave it at that

As you would expect from this master of suspense writing a great, involving, well written read that ends as classically as a pyscho thriller should

Great read

[Mama That Reads · Rating 4 out of 5]

Loved the twists and turns in this one! Couldn’t believe what the very last paragraph said though! Need answers 😂

[Kathryn Shupe · Rating 2 out of 5]

Wanted to quit reading

Many times I wanted to stop reading this book. It constantly repeats over and over…even on the same page! The story is a great idea and would be a great read. The characters are interesting. Wading thru the same thing over and over got very tiresome. The thriller was I finished it!!

[Thundyr Myah · Rating 2 out of 5]

just ok

The premise of the book was pretty good, there were some very good parts, but in general just not written great. Too much overlap and the same words over and over and over again.

[Jennifer Temby-dailey · Rating 3 out of 5]

It was very repetitive!

[Alex Courtney · Rating 2 out of 5]

I wanted to give up on this one many times — the writer continued to say (almost exactly) the same sentences over and over again. At first I thought, maybe they’re writing in the character’s POV who is spiraling so she’s thinking the same thoughts over and over. Then I thought, nope. It felt like they were paraphrasing to extend the length of a university essay.

And then the last sentence — really?! No context left me with more confusion.

[Donna Coffey · Rating 5 out of 5]

Just wow

Read it in one sitting...
While you and I hopefully will never find ourselves in this PARTICULAR situation (What a ride this book is!) you WILL see your life, in one way or another, in a very good way when you get to the end and feel a comradarie with the women involved I think ... A great read

[Dawn · Rating 3 out of 5]

I’ve clearly missed something - why was Mia also referred to as ‘Em’’ throughout? Also the word ‘hystJasonal’ appeared four times (was this a typo for ‘hysterical’?) The story was great but found the ending a bit predictable.

[Mary Nierman · Rating 5 out of 5]

Absolutely awesome!

To feel so indignant regarding the lies...the total pretense and finally the resolution was amazing! Survival and the bonds of friendships formed over this utter deception. Definitely did not want to put this down until the end!

[Gemma Hanekom · Rating 3 out of 5]

good but slow

Honestly struggled a little through this book. Lots of words for very little to happen apart from one edge of your seat type scene. Well written but just too slow moving for me!

[WYNDI S HARP · Rating 5 out of 5]

You Aren’t Figuring This Out

I read many books. Never have I read one that had such a surprise ending. AJ Carter, thankfully, never disappoints.

[Sammye · Rating 5 out of 5]

The twists and turns in Mia’s chilling story kept me on the edge of my seat!! Just when I thought I had it figured out, things changed. I loved the perfect ending. A must read.

[Faye Ranger · Rating 5 out of 5]

His Double Life

I liked this story you wrote it well. Gosh that man must be extremely intelligent to keep up remembering which woman he was with. I am😉

[Toni · Rating 5 out of 5]

Great story!

[KathyD · Rating 3 out of 5]

GOOD READ

3.5 Rounded Down - due the the last *unexplained* sentence in the book… Read it for yourself, then you decide.

[Jennifer Nogowski · Rating 4 out of 5]

4.5*

[patricia Pritchett · Rating 5 out of 5]

a very important lesson

This was a compelling book. Very well written and just when I thought that everything was uncovered, well the very last sentence blew me away.

[Chelsea · Rating 3 out of 5]

SO repetitive 😭

[Jessica Waltman · Rating 3 out of 5]

decent read

The book was good, but I feel like it was dragging on a little too long. It could have ended quicker, Great ending though

[Lethicia O'Connell · Rating 3 out of 5]

Good. Nothing more. The last sentence made no sense (????). But it’s a good book.

[Kerry Louise · Rating 4 out of 5]

Written so well and was really easy to get to grip of the characters and their backgrounds. However the overuse of the word ‘compartmentalise’ reallly started to grate on me lol. There were also a few repetitions and inaccuracies. The ending was just super wild haha but it kept me gripped and so keen to know what the hell was going on!