Years ago, bookseller and mystery aficionado Malcolm Kershaw compiled a list of the genre’s most unsolvable murders, those that are almost impossible to crack - which he titled "Eight Perfect Murders". But no one is more surprised than Mal, now the owner of the Old Devils Bookstore in Boston, when an FBI agent comes knocking on his door one snowy day in February. She’s looking for information about a series of unsolved murders that look eerily similar to the killings on Mal’s old list. And the FBI agent isn’t the only one interested in this bookseller.

When pregnant Saffron Cutler moves into 9 Skelton Place with boyfriend Tom and sets about renovations, the last thing she expects is builders uncovering human remains. The remains of two bodies, in fact.

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?

At loose ends after the devastating death of her mother, Una Richardson responds to an advertisement for a ladies’ companion, a position that leads her into the wealthy, secluded world of Mrs. Elspeth McKenzie. But Elspeth's home isn’t the comforting haven it seems. Kathryn, her cold and bitter daughter, resents Una's presence. More disturbing is evidence suggesting two girls lived here before her.

Joely tells other people’s secrets for a living. As a ghost writer, she’s used to scandal—but this just might be her strangest assignment yet. Freda has never told her story to anyone before. But now she’s ready to set the record straight and right a wrong that’s haunted her for forty years. Freda’s memoir begins with a fifteen-year-old girl falling madly in love with her male teacher. As Joely sets out to write this troubling love story, she is spun into a world of secrets and lies, causing her to question everything she thought she knew about her own family.

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.

Perfect wife. Doting mom. Jennifer Griffin was loved by everyone, including the women in her suburban-neighborhood book club. Their meetings sometimes went late, but Jenn always came home. Until that night. When Greg Griffin wakes to find his wife is not in bed, his blood runs cold. Her book club friends say Jenn left for home hours ago. But she’s missing. Greg tells detectives their marriage is good, but his alibi is razor-thin. With their young son away at a sleepover, Greg had all night to commit a crime. And there are scrapes on his hands…

LAPD cop Scott James is not doing so well, not since a shocking nighttime assault by unidentified men killed his partner, Stephanie, nearly killed him, and left him enraged, ashamed, and ready to explode. He is unfit for duty - until he meets his new partner. Maggie is not doing so well, either. The German shepherd survived three tours in Iraq and Afghanistan sniffing explosives before she lost her handler to an IED and sniper attack, and her PTSD is as bad as Scott’s. They are each other’s last chance.

Anna Cavanaugh is a restless young widow and brilliant French teacher at an all-girls school in Washington, DC. Everything changes when she’s recruited into the Office of Strategic Services by family friend and legendary WWI hero Major General William Donovan. Donovan has faith in her - and in all his “glorious amateurs” who are becoming Anna’s fast friends: Maggie, Anna’s down-to-earth mentor; Irene, who’s struggling to find support from her husband for her clandestine life; and Julia, a cheerful OSS liaison.

When Anna Bradshaw wakes up in a hospital bed in London, she remembers nothing, not even her loving husband, Stephen. The doctors say her amnesia is to be expected, but Anna feels cut adrift from her entire life. In Bristol, Livvy Nicholson is newly married to Dominic and eager to get back to work after six months’ maternity leave. But when Dominic’s estranged mother appears, making a series of unnerving claims, Livvy is sucked into a version of herself she doesn’t recognise.

One woman is trapped in the death-grip of the past - and every one of its dark secrets - in this riveting novel of psychological suspense from the award-winning author of The Sisters and Local Girl Missing. She can run… As much as Libby Hall needs a vacation, she’s never considered taking one until she sees the note for a house swap. Suffering a miscarriage was a personal turning point. Saving a child from a burning school was a public one. Just as the emotional fallout of both incidents takes its toll, along comes her lifesavers - the Heywoods.

Jonah Baum sees his ordinary life come tumbling down when his wife and young daughter vanish from their home. No evidence of a kidnapping. No sign of murder. No proof that Rebecca didn’t simply abandon her marriage. Just Sally’s crude and chilling drawings, Jonah’s little lies, and the sheriff’s nagging fears that nothing is what it seems. For Sally’s best friend, Lucinda, it’s something else. She trusts Sally not to just disappear, not after they’ve shared so many secrets - especially about the woods and what they saw there. But she’ll never tell. No one would believe her anyway.

Teenager Edie Hudson was nobody’s little darling, which made vanishing all too easy. Two decades later, she’s been forgotten by everyone except her mother, Samantha. And the person who knows what happened to her. Samantha has had a long time to remember, and to regret. Having seen how little her daughter mattered to the community in the months following her disappearance, she wonders if Edie was lost before she was even gone. Or was it guilt, not indifference, that made the locals turn a blind eye? When she meets Frances, she at last starts to hope for answers.

Ian Rutledge returns to his career at Scotland Yard after years fighting in the First World War. Unknown to his colleagues he is still suffering from shell shock, and is burdened with the guilt of having had executed a young soldier on the battlefield for refusing to fight. A jealous colleague has learned of his secret and has managed to have Rutledge assigned to a difficult case which could spell disaster for Rutledge whatever the outcome. A retired officer has been murdered, and Rutledge goes to investigate.

When two teenagers break into a house on a remote lake in search of prescription drugs, what starts as a simple burglary turns into a nightmare for all involved. Emmett Burr has secrets he's been keeping in his basement for more than two decades, and he'll do anything to keep his past from being revealed. As he gets the upper hand on his tormentors, the lines blur between victim, abuser, and protector.