Dive into the world of Maddie Castle, a retired K9 handler turned private investigator, in this heart-pounding collection of the first three novels in the bestselling series. From gripping mysteries to life-threatening pursuits, Maddie and her canine partners battle danger, corruption, and their own pasts to bring justice to those who need it most.

Every town needs a hero, and Detective Cal Farrell fits the bill. He stopped an active shooter six months earlier, and now he’s become the darling of the Alexandria press. The problem is that Cal remembers nothing from that day. He’s working with a psychiatrist to recover his memories, but hasn’t had much luck. Then, on one of his morning runs, he is once again the first on scene for a grisly discovery—a body hanging impossibly high on a tree. Soon there’s another victim, killed by a blade and dumped in a ravine.

When Megan discovers photographs of her estranged identical twin sister on her husband's phone, she wants answers. Leah already has everything Megan ever wanted. Fame, fortune, freedom to do what she wants. And when Megan confronts Leah, an argument turns to murder. The only way Megan can get away with killing her twin is to become her. But then lockdown hits. How can she continue living two lives? And what happens if someone else knows her secret?

Coming from scandalous Florida treasure hunters and drug smugglers, Sloan McPherson is forging her own path, for herself and for her daughter, out from under her family’s shadow. An auxiliary officer for Lauderdale Shores PD, she’s the go-to diver for evidence recovery. Then Sloan finds a fresh kill floating in a canal - a woman whose murky history collides with Sloan’s. Their troubling ties are making Sloan less a potential witness than a suspect. And her colleagues aren’t the only ones following every move she makes. So is the killer.

In 1998, the American Jorgenson family had been on a year-long road trip in Australia. One humid, storming night, the mother - Elsa Jorgenson - vanished in an isolated stretch of Australian everglades. Elsa was never seen again. That night, twelve-year-old Lily Jorgenson was left alone and terrified in the family camper—even her teenage sister Iris is missing. When Iris comes racing back through the rain, she refuses to tell where she’s been. Lily is certain her sister is hiding a dark secret.

Alex Armstrong has changed everything about herself—her name, her appearance, her backstory. She’s no longer the terrified teenager a rapt audience saw on television, emerging in handcuffs from the quiet suburban home the night her family was massacred. That girl, Alexandra Quinlan, nicknamed Empty Eyes, was accused of the killings, fought to clear her name, and later took the stand during her highly publicized defamation lawsuit that captured the attention of the nation. It’s been ten years since, and Alex hasn’t stopped searching for answers about the night her family was killed.

Rosemary Chivers is haunted by the choices she made as a teenager—and by those made for her by a controlling mother. Now, in the Cold War era of conformity and suspicion, Rosemary is a modern new teacher at a school for troubled girls, where she challenges the narrow curriculum meant to tame restless young minds. She also keeps a devastating secret. She knows one of the students is the child she gave up. But which one?

It is midnight on the morning of Halloween, and Jen anxiously waits up for her 18-year-old son, Todd, to return home. But worries about his broken curfew transform into something much more dangerous when Todd finally emerges from the darkness. As Jen watches through the window, she sees her funny, seemingly happy teenage son stab a total stranger.

Matthew Brooks and Vanessa Lyons are a perfect love match, both attorneys at a powerful New York City law firm. But there’s a hitch: Matt just made partner, and Vanessa is coming up for partner next year. And Vanessa’s husband has his suspicions. Vanessa is assigned to the biggest case at the firm, the one that will determine her future. Unfortunately, Matt has been working the case for years, leaving him no choice but to supervise his lover in violation of firm policy.

Olivia Bender designs exquisite home interiors that satisfy the most demanding clients. But her own deepest desire can’t be fulfilled by marble counters or the perfect rug. She desperately wants to be a mother. Fertility treatments and IVF keep failing. And just when she feels she’s at her lowest point, the police deliver shocking news to Olivia and her husband, Park. DNA results show that the prime suspect in a murder investigation is Park’s son. Olivia is relieved, knowing this is a mistake. Despite their desire, the Benders don’t have any children. Then comes the confession.

As I sit in her dimly lit bedroom, surrounded by flickering candles, I feel the crushing weight of my daughter’s absence. It's been two years since Layla was murdered. The police have searched tirelessly for her killer, but they've found nothing – it's like whoever did it vanished into thin air. My once-perfect marriage is falling apart, we can hardly look at each other anymore. Our ten-year-old son Gale is struggling. He’s changed since she died. He’s more secretive and also…

After Jake Slater’s wife dies in a tragic hit-and-run, all he has left is his daughter, Piper—nearly lost, too, in a brutal custody battle with his wealthy in-laws. A year later, Jake reluctantly agrees to a reunion with the estranged family for Piper’s thirteenth birthday. Then a single gunshot rings out, and a new nightmare begins. Piper is kidnapped, and her cousin Caitlin is murdered. Caitlin’s cryptic dying words: Piper knows the truth.

After his son is convicted of capital murder, Vietnam War veteran Jeremiah Fitzjurls takes over the care of his granddaughter, Joanna, raising her with as much warmth as can be found in an Ozark junkyard outfitted to be an armory. He teaches her how to shoot and fight, but there is not enough training in the world to protect her when the dreaded Ledfords, notorious meth dealers and fanatical white supremacists, come to collect on Joanna as payment for a long-overdue blood debt.

I only try on one of Nina’s pristine white dresses once. Just to see what it’s like. But she soon finds out...and by the time I realize my attic bedroom door only locks from the outside, it’s far too late. But I reassure myself: The Winchesters don’t know who I really am. They don’t know what I’m capable of....

If Avery Chambers can’t fix you in 10 sessions, she won’t take you on as a client. Her successes are phenomenal—she helps people overcome everything from domineering parents to assault—and almost absorbs the emptiness she sometimes feels since her husband’s death. Marissa and Mathew Bishop seem like the golden couple—until Marissa cheats. She wants to repair things, both because she loves her husband and for the sake of their eight-year-old son. After a friend forwards an article about Avery, Marissa takes a chance on this maverick therapist.

Anna loves Girls’ Night with her friends. With the kids safely in bed, it’s a chance for the women to let loose, enjoy some wine, and just laugh. But after one lively evening, Anna doesn’t arrive for school drop-off the next morning—or the next, or the next. Everyone, especially her husband and young son, is frantic with worry, but none more so than Grace, her childhood best friend. Grace is certain that someone is hiding the truth about Anna’s unexplained disappearance.

It's week one of the Swedish elk hunt, and the sound of gunfire is everywhere. When Tuva Moodyson investigates the story that could make her career she stumbles on a web of secrets that knit Gavrik town together. Are the latest murders connected to the Medusa killings 20 years ago? Is someone following her? Why take the eyes? Tuva must face her demons and venture deep into the woods to stop the killer and write the story. And then get the hell out of Gavrik.

Laura has returned to work at Morris and Wood after her maternity leave, only to discover that the woman she brought in to cover for her isn’t going anywhere. Despite her close relationship with the agency’s powerful CEO, she feels sidelined - and outmaneuvered - as she struggles to balance the demands of work and motherhood.

Rosie and Chad Lowan are barely making ends meet in New York City when they receive life-changing news: Chad’s late uncle has left them his luxury apartment at the historic Windermere in glamorous Murray Hill. With its prewar elegance and impeccably uniformed doorman, the building is the epitome of old New York charm. One would almost never suspect the dark history lurking behind its perfectly maintained facade.

At a truck stop near Las Vegas, 14-year-old Riley Jarrett vanishes from her family’s RV, turning their cross-country dream of starting over into a nightmare. Investigators have their work cut out for them. The massive, bustling truck plaza in the desert is the perfect place for someone to disappear - or be taken.

A group of strangers arrive on a beautiful but remote island, ready for the challenge of a lifetime: to live there for one year, without contact with the outside world. But 12 months later, on the day when the boat is due to return for them, no one arrives. Eight people stepped foot on the island. How many will make it off alive?

My husband is a doctor. He’s smart and charming, and everybody trusts him. Except me. On the surface, it looks like I have it all–the perfect marriage, the perfect husband, the perfect life. But it’s far from the truth. Doctor Drew Devlin is not the respectable figure he makes out to be. The reason we moved to this beautiful, old property with a gorgeous view of the sea was because we needed to put our past behind us. It should’ve been a fresh start for us both.

As a child, Alice was stolen from her backyard in a tiny Indiana community, but against the odds, her policeman father tracked her down within 24 hours and rescued her from harm. In the aftermath of the crime, her family decided to move to Chicago and close the door on that horrible day. Yet Alice hasn’t forgotten. She devotes her spare time volunteering for a website called The Doe Pages scrolling through pages upon pages of unidentified people, searching for clues that could help reunite families with their missing loved ones.

"Your daughter is dead." When Kat Cavanaugh hears the words every mother dreads, her perfect world shatters. She takes in the beautiful long blonde hair, torn yellow dress, and chipped blue nail-varnish. It can’t be real. And then the police add the word "suicide". But Kat refuses to believe them. Even when they show her the familiar looping handwriting and smudged ink on the note her little girl left behind. She knows her bubbly, vivacious daughter would never take her own life.

Six experienced saturation divers are locked inside a hyperbaric chamber. Calm and professional, they know that rapid decompression would be fatal and so they work in shifts, breathing helium, and surviving in hot close quarters. Then one of them is found dead in his bunk. With four days of decompression to go before the locked hatch to the chamber can be safely opened, the group must watch one another’s backs at all times. And when another diver is discovered unresponsive, everyone is on edge. What…or who…is taking them out one by one?

Summer has come to Atlantic City but the boardwalk is empty of tourists, the casino lights have dimmed, and two Jane Does are laid out in the marshland behind the Sunset Motel, just west of town. Only one person even knows they’re there. Meanwhile, Clara, a young boardwalk psychic, struggles to attract clients for the tarot readings that pay her rent. When she begins to experience very real and disturbing visions, she suspects they could be related to the recent cases of women gone missing in town.

In less than half a minute, a home-security camera captures the hidden resolve in 14-year-old Carly Liddell as she fends off a vicious attack just inside her own front door. The video of her heroic escape appears Online and goes viral. As the view count climbs, the lives of four desperate people will be forever changed by what’s just barely visible in the corner of the shot. Carly’s stepfather is spurred to protect his darkest secret: how a stolen painting - 400 years old, by a master of the Dutch Golden Age - has come to hang in his suburban foyer.

My name is Lucy Townsend. I was born on Friday the 13th, and I was the 13th girl living in the big house. Unlucky for some. But I was the fortunate one. I escaped. The only one who made it out alive. And now, 20 years after that fateful night, the secrets of the past and what happened in that house are pulling me back. I might not be so lucky this time.

In a split second, Morgan Kincaid’s life changes forever. She’s on her way home from work when a mother begs her to take her baby, then places the infant in her arms. Before Morgan can stop her, the distraught mother jumps in front of an oncoming train. Morgan has never seen this woman before, and she can’t understand what would cause a person to give away her child and take her own life. She also can’t understand how this woman knew her name.

Grace Holloway keeps to herself. Since narrowly escaping death at the hands of the man who kidnapped her, she’s thrown herself into the small inn she runs in Rock Harbor, Maine. It’s quiet, quaint and, in the off-season, completely isolated—the perfect place for Grace to keep her own secrets. But Grace isn’t the only one with something to hide, and Rock Harbor isn’t just a sleepy vacation town. Someone is taking young women—girls who look an awful lot like Grace did when she was kidnapped so many years ago.