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.

On a flight from London to Boston, Ted Severson meets the stunning and mysterious Lily Kintner. Sharing one too many martinis, the strangers begin to play a game of truth, revealing intimate details about themselves. Ted talks about his marriage that’s going stale and his wife, Miranda, who he’s sure is cheating on him. Ted and his wife were a mismatch from the start - he the rich businessman, she the artistic free spirit - a contrast that once inflamed their passion but has now become a cliché. But their game turns a little darker when Ted jokes that he could kill Miranda....

Growing up, Kate Priddy was always a bit neurotic, experiencing momentary bouts of anxiety that exploded into full-blown panic attacks after an ex-boyfriend kidnapped her and nearly ended her life. When Corbin Dell, a distant cousin in Boston, suggests the two temporarily swap apartments, Kate, an art student in London, agrees, hoping that time away in a new place will help her overcome the recent wreckage of her life. But soon after her arrival at Corbin's grand apartment on Beacon Hill, Kate makes a shocking discovery.

From the acclaimed author of Her Every Fear and The Kind Worth Killing comes a diabolically clever tale of obsession, revenge, and cold-blooded murder - a sly and brilliant guessing game of a novel. Harry Ackerson has always considered his stepmother, Alice, to be sexy and beautiful in an "otherworldly" way. She has always been kind and attentive, if a little aloof in the last few years. Days before his college graduation, Alice calls with shocking news. His father is dead, and the police think it's suicide.

Abigail Baskin never thought she'd fall in love with a millionaire. Then she met Bruce Lamb. He's a good guy, stable, level-headed, kind—a refreshing twist from her previous relationships. But right before the wedding, Abigail has a moment of uncertainty. The drunken one-night stand from her bachelorette weekend, the sexy guy who wouldn't give her his real name, didn't really mean anything, she keeps telling herself. She puts the incident out of her mind. Then the mysterious stranger suddenly appears—and Abigail's future life and happiness are turned upside down.

In 2009, Edie had New York’s social world in her thrall. Mercurial and beguiling, she was the shining star of a group of recent graduates living in a Brooklyn loft and treating New York like their playground. When Edie’s body was found near a suicide note at the end of a long, drunken night, no one could believe it. Grief, shock, and resentment scattered the group and brought the era to an abrupt end.

Martha Ratliff conceded long ago that she’d likely spend her life alone. She was fine with it, happy with her solo existence, stimulated by her work as a librarian in Maine. But then she met Alan, a charming and sweet-natured salesman whose job took him on the road for half the year. When he asked her to marry him, she said yes, even though he still felt a little bit like a stranger.

Before moving in with the Crouch family, Juno thought Winnie and her husband, Nigel, had the perfect marriage, the perfect son — the perfect life. Only now that she’s living in their beautiful house, she sees the cracks in the crumbling facade are too deep to ignore. Still, she isn’t one to judge. After her grim diagnosis, the retired therapist simply wants a place to live out the rest of her days in peace. But that peace is shattered the day Juno overhears a chilling conversation between Winnie and Nigel....

Ten years after graduation, Jessica Miller has planned her triumphant return to her Southern, elite Duquette University, down to the envious whispers that are sure to follow in her wake. Everyone is going to see the girl she wants them to see - confident, beautiful, indifferent. Not the girl she was when she left campus, back when Heather Shelby's murder fractured everything, including the tight bond linking the six friends she'd been closest to since freshman year.

A week at a beautiful chateau in the south of France—it should be a straightforward final job for Dora. She's a smart, stunning and discreet escort, and Daniel has paid for her services before. This time, all she has to do is to convince the assembled guests that she is his girlfriend. Dora is used to playing roles and being whatever men want her to be. It's all about putting on a front.

Jake Hayes is missing. This much is certain. At first, his wife, Nina, thinks he is blowing off steam at a friend’s house after their heated fight the night before. But then a day goes by. Two days. Five. And Jake is still nowhere to be found. Lily Scott, Nina’s friend and coworker, thinks she may have been the last to see Jake before he went missing. After Lily confesses everything to her husband, Christian, the two decide that nobody can find out what happened leading up to Jake’s disappearance, especially not Nina.

"This is a very difficult letter to write. I hope you will not hate us too much.... My son broke into your home recently while you were out." In a quiet, leafy suburb in upstate New York, a teenager has been sneaking into houses - and into the owners' computers as well - learning their secrets, and maybe sharing some of them, too. Who is he, and what might he have uncovered? After two anonymous letters are received, whispers start to circulate, and suspicion mounts. And when a woman down the street is found murdered, the tension reaches the breaking point.

Sadie and Will Foust have only just moved their family from bustling Chicago to small-town Maine when their neighbor Morgan Baines is found dead in her home. The murder rocks their tiny coastal island, but no one is more shaken than Sadie. But it’s not just Morgan’s death that has Sadie on edge. And as the eyes of suspicion turn toward the new family in town, Sadie is drawn deeper into the mystery of what really happened that dark and deadly night.

Chloe is one of seven students at her DC-based college who are part of an unusual clinical study of psychopaths - students like herself who lack empathy and can’t comprehend emotions like fear or guilt. The study, led by a renowned psychologist, requires them to wear smart watches that track their moods and movements. When one of the students in the study is found murdered in the psychology building, a dangerous game of cat and mouse begins, and Chloe goes from hunter to prey.

Darby Thorne is a college student stranded by a blizzard at a highway rest stop in the middle of nowhere. She’s on the way home to see her sick mother. She’ll have to spend the night in the rest stop with four complete strangers. Then she stumbles across a little girl locked inside one of their parked cars. There is no cell phone reception, no telephone, no way out because of the snow, and she doesn’t know which one of the other travelers is the kidnapper.