Before Harry Bosch became the detective who never gives up on a case, he was a boy with a mystery of his own. One that would haunt him for decades. In The Hollow by Michael Connelly, you get a rare glimpse into Harry Bosch’s troubled childhood while following a present-day investigation that brings his past back to life. As a longtime fan of the Bosch television series, I couldn’t wait to dive into this story!
4/5 stars ★★★★☆
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From the publisher: Retired LAPD detective Harry Bosch delves into the darkest chapter of his past in this electric thriller from #1 New York Times bestselling author Michael Connelly.
Genre: Mystery / Thriller / Police Procedural
Pages: 352
Publication Date: October 27, 2026
My Thoughts on The Hollow:
🔎 Two Timelines and One Unforgettable Detective
One of my favorite things about The Hollow is how Michael Connelly tells the story through two timelines. In the present, Harry Bosch is a retired LAPD detective who still can’t seem to leave an unsolved mystery alone. The other timeline takes us back to his childhood, when he was a ward of the state and living at MacLaren Children’s Center.
While I enjoyed both storylines, I found myself looking forward to the chapters about Harry as a teenager. They gave me a much deeper understanding of the man he became. After reading about Harry’s childhood, I can see why he became the kind of detective who never gives up on anyone.
I’ve always loved Harry Bosch as a character, but learning more about his past made me appreciate him even more.
💔 A Childhood No Child Should Experience
At the heart of the story is Harry’s determination to discover what really happened to his childhood friend, Chops, who died while they were living at MacLaren Children’s Center. Decades later, Harry still hasn’t forgotten his friend or the circumstances surrounding his death. Now, he has an opportunity to finally find answers.
What affected me most, however, wasn’t just the murder mystery. It was learning about the conditions these children endured. I’ve always had such a soft spot for children, and reading about MacLaren Children’s Center absolutely broke my heart. Childhood should be a time of love, safety, and security. It shouldn’t be about fear, abuse, and uncertainty. These were children who had already experienced hardship, and the very place that was supposed to protect them became another source of suffering.
What made this even more heartbreaking was something I learned in the book’s acknowledgments. MacLaren Children’s Center was a real institution. I had assumed Connelly had created this horrible place for his novel. Discovering that children actually lived in such an environment was devastating. It’s hard to imagine how frightening and lonely their lives must have been.
I can only hope that places like MacLaren no longer exist today. I kept thinking about those poor kids and how the adults who were supposed to protect them failed them instead.
⚖️ I Love the Police and Legal Procedurals
One reason I continue reading Michael Connelly’s books is that they’re consistently well-written. Connelly know how to write a good mystery! I especially enjoy the police and legal procedural elements of his stories. I like to follow the clues and try to figure things out before Harry does.
The Hollow delivers those elements while making the investigation much more personal for Harry. This isn’t simply another cold case. It’s a mystery connected to his own childhood and someone he once cared about.
I also enjoyed the connection to the legal world through Harry’s half-brother, Mickey Haller (The Lincoln Lawyer). Connelly does such a great job weaving characters from his different series together.
👨👧 Maddie Bosch and a Detective Who’s Getting Older!
I was happy to see Maddie, Harry’s daughter, involved in the story again. I’ve enjoyed watching their relationship develop over the years, both in the books and on television. Maddie adds another dimension to Harry’s character. We see not only the determined detective but also a father who loves his daughter and wants the best for her.
Another detail I appreciated was Connelly’s realistic portrayal of Harry’s aging. Harry is recovering from knee replacement surgery, and his physical limitations somewhat affect what he can do during the investigation. He’s still sharp, stubborn, and determined, but his body doesn’t always cooperate.
I actually loved that Connelly included this! Too often, fictional detectives seem to remain physically invincible no matter how old they become. Harry’s recovery and occasional struggles make him feel like a real person. Of course, I have one request for Michael Connelly: Please keep Harry Bosch alive for a very, very long time!
I’m simply not ready to say goodbye to him.
⭐ My Final Thoughts on The Hollow:
If you’re a Harry Bosch fan, I definitely recommend this one. I loved learning about Harry as a teenager. In fact, those chapters were my favorite part of the whole book.
📝 Extra Credit Reading: Mysteries That Refuse to Stay Buried
If The Hollow earned a passing grade from you, here are three more books I’ve reviewed that combine compelling investigations with memorable detectives and personal stories.
1. The Waiting by Michael Connelly
Why? If you’re not ready to say goodbye to Harry Bosch or his daughter Maddie, this is an excellent choice! Detective Renée Ballard investigates cold cases with the LAPD’s Open-Unsolved Unit. Like The Hollow, the story involves mysteries from the past that still deserve answers. I especially enjoyed having Harry and Maddie involved in this investigation, too.
2. One Split Second by Robert Dugoni
Why? This is another mystery that moves between two timelines, something I especially enjoyed in The Hollow. Detective Tracy Crosswhite investigates a case involving crimes separated by forty-five years. Both books explore how events from long ago can continue affecting people in the present. If you enjoy determined detectives and cold cases, this is a great choice.
3. The House of Cross by James Patterson
Why? Harry Bosch and Alex Cross are both experienced detectives who refuse to back down when pursuing justice. Both stories feature dangerous investigations while also giving readers a glimpse into the detectives’ personal lives. If you enjoy following familiar characters across a long-running series, Alex Cross is another detective worth getting to know. I absolutely love this series!
Disclosure: Thank you to NetGalley, Little, Brown & Company, and Michael Connelly for my advance copy of this book. This is my honest opinion.
Let’s Chat:
Do you think Harry Bosch would have become the same relentless detective if he’d had a happier childhood? How much do you think our childhood experiences shape the adults we become?
I would love for you to leave a comment!