The First Thread: An FBI Agent Daisy Adams Thriller (Book 1)
Nadija Mujagic
Reader Reviews
4.7
3 ratings
Tracy H.
Apr 19, 2026
This is an incredibly captivating thriller that pulled me in from the very first page and didn’t let go. Nadija Mujagic’s writing is sharp, intelligent, and emotionally charged, making the book impossible to put down.
Set in the 1980s - America’s worst time for missing children - this story follows Agent Daisy Adams as she attempts to locate a missing girl, Charlotte, who vanished without a trace from her front yard in Silver Spring Maryland one afternoon while her father fell asleep on the couch inside. With no witnesses, no clues, and not enough time, Daisy is worried this case may not have a happy ending. As Daisy races to find Charlotte, she is constantly battling the fear that her daughter Lila could one day be the next missing child she is trying desperately to locate.
The plot is a brilliant blend of suspense and psychological depth, with twists that are both surprising and satisfying. The characters are well-developed and complex, with their own unique motivations and secrets. The way Mujagic explores their inner turmoil, especially the main character’s, and their relationships adds an extra depth to the already intense narrative. I found myself rooting for some while questioning the motives of others, which kept me on the edge throughout the entire book.
The story unfolds with masterful pacing and is told through multiple POVs, creating a gripping, tense, and oftentimes chilling atmosphere. If you are a fan of thrillers with intricate plotting and unforgettable characters, The First Thread is a must-read. This is the kind of book that will stay with you long after you’ve finished it, especially since it is based on true events. I am impatiently waiting to read the next book in this series because I just have to know where this is headed. I highly recommend this for all thriller and true crime fans!!
Set in the 1980s - America’s worst time for missing children - this story follows Agent Daisy Adams as she attempts to locate a missing girl, Charlotte, who vanished without a trace from her front yard in Silver Spring Maryland one afternoon while her father fell asleep on the couch inside. With no witnesses, no clues, and not enough time, Daisy is worried this case may not have a happy ending. As Daisy races to find Charlotte, she is constantly battling the fear that her daughter Lila could one day be the next missing child she is trying desperately to locate.
The plot is a brilliant blend of suspense and psychological depth, with twists that are both surprising and satisfying. The characters are well-developed and complex, with their own unique motivations and secrets. The way Mujagic explores their inner turmoil, especially the main character’s, and their relationships adds an extra depth to the already intense narrative. I found myself rooting for some while questioning the motives of others, which kept me on the edge throughout the entire book.
The story unfolds with masterful pacing and is told through multiple POVs, creating a gripping, tense, and oftentimes chilling atmosphere. If you are a fan of thrillers with intricate plotting and unforgettable characters, The First Thread is a must-read. This is the kind of book that will stay with you long after you’ve finished it, especially since it is based on true events. I am impatiently waiting to read the next book in this series because I just have to know where this is headed. I highly recommend this for all thriller and true crime fans!!
Brittany F.
Feb 8, 2026
Knowing this story is based on true events makes it a tough pill to swallow. Kids are so innocent, born with curiosity, trust, dependent on adults to love them, teach them, and protect them. Monsters are very real in this world and pret on the innocent. This book is well written. Unfortunately I find Agent Adams to be dry, stuffy, and extremely reclusive. Her character gives me anxiety. I hope that changes in the next two books. I will certainly read this trilogy all the way through.
Mandy S.
Feb 8, 2026
The First Thread is an utterly gripping, emotionally devastating psychological thriller that left me breathless and haunted long after I turned the final page. Nadija Mujagic masterfully captures the panic, helplessness, and heartbreak of a parent’s worst nightmare - and wraps it in a tense, beautifully layered story that is impossible to put down.
Mujagic doesn’t just tell a story - she immerses you in it. The writing is razor-sharp, the atmosphere thick with dread, and every twist lands with a punch.
What really sets The First Thread apart is that it’s based on true events. That connection to real life adds a whole new level of depth and makes the story even more chilling. Mujagic sheds light on a dark chapter in American history and gives a voice to families who never got answers.
If you’re a fan of psychological thrillers that are as heart-wrenching as they are suspenseful, this book is a must-read.
Mujagic doesn’t just tell a story - she immerses you in it. The writing is razor-sharp, the atmosphere thick with dread, and every twist lands with a punch.
What really sets The First Thread apart is that it’s based on true events. That connection to real life adds a whole new level of depth and makes the story even more chilling. Mujagic sheds light on a dark chapter in American history and gives a voice to families who never got answers.
If you’re a fan of psychological thrillers that are as heart-wrenching as they are suspenseful, this book is a must-read.