Shortly before her 17th birthday, Emma discovers she has a long-lost twin named Sutton Mercer. She contacts Sutton, who agrees to a rendezvous but never shows up. Curious at first, Emma slips into Sutton's ultra-glamorous life, assuming her identity. When it becomes clear that Sutton is not coming back, that someone made sure she never could, Emma plunges in to investigate who could have wanted her sister gone (a fairly long list, she discovers).

Spencer covets her sister's boyfriend. Aria's fantasizing about her English teacher. Emily's crushing on the new girl at school. And Hanna uses some ugly tricks to stay beautiful. But they've all kept an even bigger secret since their friend Alison vanished.

Aldrich University is rocked to its core when a hacker dumps 40,000 people's e-mails - the entire faculty, staff, students, alums - onto an easily searchable database. Rumors and affairs immediately leak, but things turn explosive when Kit Manning's handsome husband, Dr. Greg Strasser, is found murdered. Kit's sister, Willa, returns for the funeral, setting foot in a hometown she fled 15 years ago, after a night she wishes she could forget. As an investigative reporter, Willa knows something isn't right about the night Greg was killed, and she's determined to find the truth.

The only thing more flawless than a Saybrook’s solitaire is the family behind the diamond empire. Beauties, entrepreneurs, debutantes, and mavens, the Saybrooks are the epitome of high society. Anyone would kill to be one of them. But be careful what you wish for, because if you were a Saybrook, you’d be haunted by secrets and plagued by a dark streak of luck. Tragedy strikes the prominent family yet again on a beautiful morning in May when 34-year-old Poppy, the most remarkable Saybrook of them all, flings herself from the window of her office.

After the death of her mom (screw cancer), seventeen-year-old Cecelia Ellis goes to live with her estranged grandmother, a celebrated author whose Victorian mansion is as creepy as the murder mysteries she writes. On the surface, life is utterly ordinary in the California coastal town . . . until the homecoming queen is murdered. And she’s not Seaview’s first pretty dead queen.

Four years ago, Brynn left Saint Ambrose School following the shocking murder of her favorite teacher—a story that made headlines after the teacher’s body was found by three Saint Ambrose students in the woods behind their school. The case was never solved. Now that Brynn is moving home and starting her dream internship at a true-crime show, she’s determined to find out what really happened.

Milly, Aubrey, and Jonah Story are cousins, but they barely know each another, and they've never even met their grandmother. Rich and reclusive, she disinherited their parents before they were born. So when they each receive a letter inviting them to work at her island resort for the summer, they're surprised...and curious.

There are no more cheerleaders in the town of Sunnybrook. First there was the car accident - two girls dead after hitting a tree on a rainy night. Not long after, the murders happened. Those two girls were killed by the man next door. The police shot him, so no one will ever know his reasons. Monica's sister was the last cheerleader to die. After her suicide, Sunnybrook High disbanded the cheer squad. No one wanted to be reminded of the girls they'd lost.

Ivy, Mateo, and Cal used to be close. Now all they have in common is Carlton High and the beginning of a very bad day. So when the three unexpectedly run into each other, they decide to avoid their problems by ditching. Just the three of them, like old times. Except they’ve barely left the parking lot before they run out of things to say...until they spot another Carlton High student skipping school - and follow him to the scene of his own murder. In one chance move, their day turns from dull to deadly. And it’s about to get worse.

Echo Ridge is small-town America. Ellery's never been there, but she's heard all about it. Her aunt went missing there at age 17. And only five years ago, a homecoming queen put the town on the map when she was killed. Now, Ellery has to move there to live with a grandmother she barely knows. The town is picture-perfect, but it's hiding secrets. And before school even begins for Ellery, someone has declared open season on homecoming, promising to make it as dangerous as it was five years ago. Then, almost as if to prove it, another girl goes missing.

Kacey is the new girl in Broken Falls. When she moved in with her father, she stepped into a brand-new life. A life with a stepbrother, a stepmother, and, strangest of all, an adoring younger half sister. Kacey's new life is eerily charming compared with the wild highs and lows of the old one she lived with her volatile mother. And everyone is so nice in Broken Falls - she's even been welcomed into a tight new circle of friends. Bailey and Jade invite her to do everything with them.

Daughter of a cold, controlling mother and an anonymous donor, studious, obedient Elizabeth Fitch finally let loose one night, drinking too much at a nightclub and allowing a strange man’s seductive Russian accent to lure her to a house on Lake Shore Drive. Twelve years later, the woman now known as Abigail Lowery lives alone on the outskirts of a small town in the Ozarks.

Everyone knows the Ivies: the most coveted universities in the United States. Far more important are the Ivies. The Ivies at Claflin Academy, that is. Five girls with the same mission: to get into the Ivy League by any means necessary. I would know. I'm one of them. We disrupt class ranks, club leaderships, and academic competitions...among other things. We improve our own odds by decreasing the fortunes of others. Because hyper-elite competitive college admissions is serious business. And in some cases, it's deadly.

UrbanMyth: It was lauded as an alternative to the performative, show-your-best-self platforms—an anonymous discussion board grouped by zip code. The residents of Manhattan’s exclusive Upper East Side disclosed it all, things they would never share with their friends or their spouses: secret bank accounts, steamy affairs, tidbits of juicy gossip. So when a “hacktivist” group breaks into the forum and exposes the real identity of each poster, the repercussions echo down Park Avenue with a force that none could have anticipated.

It’s just a stupid meme that’s going around their small fishing town in the dead of winter—people reposting and sharing their biggest fear. But when her classmates start turning up dead—dying in the way that they said scared them the most—Izzy knows it’s no joke. With each death hitting closer to home, Izzy sets out to try to stop the killer. Could her older sister’s friend Tristan have something to do with the deaths? He’s given her some strange vibes. Or what about his brooding cousin, Axel?