"The wrong answer can cost everything.
When brilliant math professor Ivy Reeves receives a cryptic note bearing her name at a crime scene, she's drawn into a deadly game where probability becomes a matter of life and death.
Thirteen victims. Complex mathematical puzzles. A killer who understands that some games are designed to be lost.
As Detective Vaughn Ryan races against the clock, he needs Ivy's genius to decode the twisted logic behind each murder. But the closer they get to the truth, the more personal the game becomes. The killer knows Ivy's past—the fire that destroyed her family, the secrets she's buried, the father she visits wearing a mask over his melted skin.
Every number has meaning. Every equation points to the next victim. And time is running out.
From New York Times bestselling author J.D. Barker and Patrick Logan comes a pulse-pounding thriller where mathematics meets murder, and one wrong answer means death."
"FBI Agent Constantine Striker has lost everything—his job, his partner, his family—and he's no closer to solving the decade-long mystery of his sister's disappearance.
Alex Frost's career is in free fall. Branded a pariah after teaming up with Con, she's one mistake away from being fired.
The last thing they need is to work together again. But with Con closing in on his sister's fate and Alex searching for her missing friends after a trip to Mexico, they have no choice but to join forces.
To uncover the truth, they'll cross every line, break every law, and face an enemy more dangerous than they ever imagined.
In the explosive finale of the bestselling series, Con must decide if the truth will save him—or destroy him. And Alex will learn the hard way that sometimes the heroes are worse than the villains."
"Los Angeles is once again gripped by fear as a brutal predator stalks the streets. It's up to FBI Agents Constantine 'Con' Striker and Alex Frost to stop them. But the case takes a darker turn when the crimes don't cease, even after an arrest is made.
As Con battles his own demons and the unresolved fate of his sister Valerie, he must navigate a treacherous path filled with false leads and hidden dangers. The suspect's claims of innocence force Con and Alex to question everything they know about the case—and each other. In a city where nothing is as it seems, can they uncover the truth before it's too late?"
"Eleven years ago, Los Angeles was terrorized by The Sandman, a serial killer who claimed at least twelve women's lives. Young FBI Agent Constantine 'Con' Striker stopped him, but not before enduring a devastating personal loss—his twin sister, Valerie, vanished. He believes that his sister was one of The Sandman's victims. Even after a decade on death row and confessing to twelve murders, The Sandman denies knowing Valerie Striker. Desperate for closure, Con demands the killer reveal where his sister's remains are buried. But The Sandman refuses to talk.
Con's obsession with finding his sister has cost him nearly everything he loves: his marriage is in tatters, his career is on the brink, and he's burned through partners faster than he changes his clothes. Now, rookie agent Alex Frost joins Con on a new case: stopping the piracy of Hollywood films before their release. As they investigate, they uncover a web of darkness and complexity far beyond simple theft . . . and more deadly. When they discover a connection between the pirated films and Valerie's disappearance, Con believes he's on the brink of finally finding out the truth. Con's relentless pursuit of answers risks not only his sanity but also Alex's life. And as the pieces come together, it soon becomes apparent that he may soon be searching for his partner's body in addition to his sister's."
"A serial killer haunts Orange County, leaving his victims naked and buried in shallow graves with a single, chilling clue: a pillow.
This high-profile case has everyone vying for glory—the LAPD, OC Sheriff's Department, and the California Bureau of Investigation. But young FBI Agent Constantine 'Con' Striker wants nothing to do with it. Fresh off the high of capturing the Ashley Madison Killer, Con's personal life is in shambles. His mother is unraveling, crying out for his long-deceased father, and his twin sister Valerie has mysteriously vanished.
As the body count rises, Con is thrust into a harrowing investigation that threatens to destroy him. The Sandman isn't just taking lives; he's targeting everything and everyone Con holds dear. In a race against time, Con must confront his deepest fears and the twisted mind of a killer determined to steal more than just lives—he's after Con's very soul.
Tell Me Where the Sandman Sleeps is the gripping prequel to the bestselling Tell Me Where She's Buried. Prepare yourself for a heart-pounding journey into the dark corners of obsession, love, and loss."
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