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Emma Griffin FBI Mysteries #37

The Girl and the Hidden Truth

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Our memories hold the key to our very being.
Her lost memory conceals truths that will change lives forever.


After taking down numerous wicked men and women throughout her career,
Emma finally considers taking some much-needed rest.
But when Xavier is drawn to a strange case that closely resembles Lakyn Monroe’s in its eerie details,
he asks Emma to travel to a sleepy small town and investigate the mysterious disappearance of Dustin Reed.

The boy went to school, then vanished.
He was there half the day for a parent-teacher event,
but disappeared suddenly in the middle of it all.

As Emma dives deeper into the mystery, she finds multiple suspects,
each with potential motives but no solid alibis.

With the walls rapidly closing in, catching the culprit will lead Emma toward an explosive revelation.
Tick-tock. Time is running out.

Will Emma capture the monster before it zeros in on a new target?
Monsters, lies, and a shocking aftermath await...

190 pages, Kindle Edition

Published October 24, 2025

349 people are currently reading
115 people want to read

About the author

A.J. Rivers

147 books1,529 followers

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5 stars
628 (65%)
4 stars
240 (25%)
3 stars
75 (7%)
2 stars
8 (<1%)
1 star
4 (<1%)
Displaying 1 - 23 of 23 reviews
Profile Image for Deborah Hensley.
9 reviews
November 25, 2025
Amazing as always!

I love the Emma Griffin series. A.J. Rivers has a way of capturing your attention from the first sentence in each book. I love that no matter what mystery (crime) that Emma is trying to solve, you get parts of her family and personal life included. I'm usually sad at the end of each book, because I have to wait for the next one. Like right now, I can't wait to see what adventures Emma, Sam, Dean, and Xavier get up to in the next one. All of these books are a must read. I highly recommend them all. Also check out the other series by A.J. Rivers, you will not be disappointed.
35 reviews
November 2, 2025
I’m done with this series. Not a fan of cliffhangers, and seems that each book in this series will end with one. This is the second book that ends with not knowing who Doe is. The only reason I read this book was to find out what happened to her, and why she has amnesia. I’m to the point of not caring. What was Xavier’s reasoning on how he knew Cameron didn’t kill her son? Wasn’t even discussed between him and Emma. These books seem rushed, lots of characters to keep up with, and favorites who are never mentioned anymore.
Profile Image for Mary Rowe.
2,620 reviews8 followers
November 6, 2025
this one left me with questions….

A human arm bone is found by an exploring dog; a young boy disappears from his pricey private school and his mother is convicted of his murder after the child’s body is found; Emma looks over the mother’s conviction at the request of Xavier, who staunchly contends that the mother is innocent.

In the process of investigating this one homicide, other similar abductions and deaths suffered by young children over a period of time come to light.
247 reviews1 follower
November 9, 2025
The Girl and the Hidden Truth

A.J.Rivers is one of my favorite authors, she never disappoints me. This newest book, had so much going on, I wanted to read it from beginning to end in one sitting. So many of my favorite characters were included, the carryover for the last book I had been waiting on, and the new plot was complete with exciting twists. Now I desperately need the next book!!
416 reviews4 followers
November 16, 2025
The Girl and the Hidden Truth( Emma Griffin FBI Mystery Book 37)

OMG!!!!!!!!! This book was amazing, I loved every minute of it. Emma has taken on a new case because Xavier asked her to look into it, a mother has been convicted of killing he 6 year old son, and Xavier doesn't think she is guilty. So Emma starts digging and what she uncovered is every parents worst nightmare, but as usual, Emma catches her murderer. I can't wait to read the next book.
Profile Image for Kelly Smelcer.
400 reviews1 follower
October 24, 2025
I'm a huge AJ Rivers fan, and the next installment of the Emma Griffin series does not disappoint! When Xavier asks Emma to look into a case involving a child where the mother has been convicted of his death, Emma is skeptical but looks at it with her usual scrutiny. What she uncovers is so much more than she thought possible.
119 reviews
November 20, 2025
Attention Holder

I've read every Emma Griffin book and each one has so many twists and turns but this one held my attention more. How A.J. Rivers ever came up with this storyline and got it on paper is mind blowing. I love every book she has written and this certainly did not disappoint. Highly recommend.


258 reviews5 followers
October 25, 2025
Great ending!

Wow! I did not see that coming. This book has an excellent surprise ending. And I love the twisty path it took to get there. This is one of my favorite series, and it never fails to draw me in. I get so caught up in the story that I want to read it in one sitting.
1,386 reviews4 followers
October 28, 2025
Emma is my hero!

Absolutely love the way Emma makes her way through case. It’s fascinating the way she moves through each piece, and getting help from Sam or Xavier when she get stuck. This was a twister, for sure!
21 reviews
November 9, 2025
What a whirlwind

Emma Griffin always leaves you catching your breath. This was another great book, there was nothing to dislike at all. How she puts all the pieces together and solves a case is fascinating to me. If you like mysteries this is a book you will enjoy.
Profile Image for Carol.
246 reviews
December 10, 2025
confusing

The storyline is great. All the familiar characters make an appearance and have active roles. However the plot becomes a little muddy about 3\4 of the way through and makes the ending hard to get into until the very end.
236 reviews3 followers
December 13, 2025
A damaged girl running through the woods...

We start out with two buddies driving down a road, during a storm, that is more like a trail. They come across a girl collapsed in the middle of the road, with no memory of.who shr
p
L
341 reviews
October 16, 2025
Wow! This book grabs you from the beginning. It's intense, heart wrenching, fast paced, and has unexpected twists and turns. Another winner for this series!
Profile Image for Jeannette.
327 reviews
October 24, 2025
Excellent and intriguing reading. Very suspenseful. I never did guess who did it. I thoroughly enjoyed it.
15 reviews
October 26, 2025
Another Good Read

I thought maybe there was just a little too many stories within this story at first, but then it all came together at the end. Still a good Emma read.
730 reviews1 follower
October 29, 2025
This is another great story about Emma trying to find out what happened to young children and finding out who was responsible with lots of suspense and drama. Thank you for this excellent story.
Profile Image for rubin lichtenstein.
19 reviews
October 29, 2025
Another blockbuster

Thanks to A J for another great mind bending mystery/murder plot. I wonder where this inspiration comes from. I miss the interactions eitheR and Dean though!
53 reviews
October 30, 2025
Another Good Mystery

I always enjoy reading the FBI mysteries. AK Rivers is a very good writer. Now I'm on to the next one.
139 reviews
October 30, 2025
not my fav

This was the first of your books that I found to be slow and hard to keep interested in. It just seemed to drag on without much excitement
2 reviews
October 31, 2025
amazing

It amazes me on your wording of these stories. Some of the descriptive words shows me of what an educated person you are. Thanks for the great stories.
5 reviews
November 4, 2025
Another great story.

Emma Griffin has once again solved the unsolveable! I wanted more of her family time in this book, though.
Great read. A page turner.
399 reviews4 followers
November 23, 2025
Excellent Story

This is a great storyline and the characters were great. I recommend it to all. I know you will enjoy it too.
Profile Image for taffykathiegmail.com.
574 reviews
November 28, 2025
Children should be seen & heard

Life can be memories of joy, happiness, defeat, aggravation, self pity. It is life. How you handle these incidents will effect you forever.
Displaying 1 - 23 of 23 reviews

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