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).

Musical genius Mackenzie is desperate to get into Juilliard, even if it means playing a duet with her best friend's boyfriend. Beautiful Ava isn't above using her assets to get an A. Athletic Caitlin is one goal away from a soccer scholarship - if she can call a time-out on her relationship drama. Popular Julie has it all - literally, thanks to her hoarder mom - and will do anything to keep her family's secret. And former It Girl Parker is experimenting with her wild side.

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.

When the principal of an elite California preschool is attacked, three moms - who feel like outsiders among the school's manicured and ultra-wealthy community - must work together to uncover what she's hiding, figure out who's trying to frame them, and make sure their own secrets stay hidden.

Pay close attention, and you might solve this. On Monday afternoon five students at Bayview High walk into detention. Bronwyn, the brain, is Yale-bound and never breaks a rule. Addy, the beauty, is the picture-perfect homecoming princess. Nate, the criminal, is already on probation for dealing. Cooper, the athlete, is the all-star baseball pitcher. And Simon, the outcast, is the creator of Bayview High's notorious gossip app. Only Simon never makes it out of that classroom. Before the end of detention, Simon's dead.

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.

Red Kenny is on a road trip for spring break with five friends: Her best friend - the older brother - his perfect girlfriend - a secret crush - a classmate - and a killer. When their RV breaks down in the middle of nowhere with no cell service, they soon realize this is no accident. They have been trapped by someone out there in the dark, someone who clearly wants one of them dead. With eight hours until dawn, the six friends must escape, or figure out which of them is the target.

Gabe lives in Austin, Texas, and he still can't believe Sasha, the stunning head cheerleader, is his girlfriend. But their relationship soon turns controlling; if she can't have Gabe, no one can.... Elyse lives in Portland, Oregon, and, as the shy best friend to their high school's theater star, is surprised to be cast as the lead in their production of Romeo and Juliet. It seems the new drama teacher, Mr. Hunter, has taken a liking to her - and as rehearsals wear on, Elyse can't stop thinking about him, either.

Belly measures her life in summers. Everything good, everything magical happens between the months of June and August. Winters are simply a time to count the weeks until the next summer, a place away from the beach house, away from Susannah, and most importantly, away from Jeremiah and Conrad. They are the boys that Belly has known since her very first summer—they have been her brother figures, her crushes, and everything in between. But one summer, one wonderful and terrible summer, the more everything changes, the more it all ends up just the way it should have been all along.

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.

Camp Alpine Lake is the only place where Goldie Easton feels safe—the camp is the lifeline of the small town she lives in. Alpine Lake provides jobs, money and prestige to the region. Her parents work there so Goldie is one of the few townies who have reaped the rewards of living so close to the summer camp, with its five-figure tuition and rich kids who have been dumped there for eight weeks by their powerful parents.

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.