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On October 27, 2026, Harry Bosch revisits the darkest parts of his past in The Hollow, the latest must-read novel from #1 New York Times bestselling author Michael Connelly.
Bosch—who was first introduced in Connelly’s 1992 novel The Black Echo, and has since been brought to life by Titus Welliver on the small screen (via the hit series Bosch, which ran for seven seasons on Prime Video, and then another three as Bosch: Legacy, a direct spinoff)—was last seen lending a hand to help a friend, LAPD Detective Renee Ballard, with a case in The Waiting (2025).
Cameos and riding shotgun in other characters’ books aside, this is shaping up to be the first true, Bosch-led book since Two Kinds of Truth was released way back in 2017, and clocks in as the official 21st book in Connelly’s beloved franchise. So, what can readers expect with Bosch back in the driver’s seat? How about a dark, twisting adventure that’ll see Harry revisit some of the most chilling moments from his childhood.
Check out the plot details below!
Retired LAPD detective Harry Bosch delves into the darkest chapter of his past in the new thriller from #1 New York Times bestselling author Michael Connelly.
When Harry Bosch was eleven years old, his mother was murdered and he became a ward of the state, housed in MacLaren Children’s Center, a notorious facility where abuse was rampant. Decades after its closure, a massive class action lawsuit has resulted in a multibillion-dollar settlement for former residents. But when Bosch’s half-brother, defense attorney Mickey Haller, brings him word that Harry is entitled to $400,000, Bosch says he doesn’t want the money. He wants justice.
News of the settlement awakens his memories of a place he had hoped never to revisit, and a boy named Chops, a fellow inmate who wound up dead. Chops’s body was found in a hidden space under a staircase that the staff used to discipline their charges. The kids knew it only as “the hollow.” But Chops’s death was covered up and never solved. Now Bosch knows he must reopen the investigation and learn the truth, even if the killer is long dead.
As Bosch digs into the files, he picks up the trail of a predator who not only survived but went on to a life of vicious crime. Forced to face a history that both scarred him and launched him on his mission as a cop, Bosch must bring down a sadistic criminal and finally put to rest the demons of his past.
(Keep reading for additional info on Michael Connelly, Harry Bosch, upcoming books, and more!)
The fact that Connelly has rolled out so many bestselling novels since Harry last anchored a story himself is, well, an incredible feat. Not only does that speak to Connelly’s writing talent, but also his genius and willingness to adapt.
Sure, a lot of Connelly’s success has come from…