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. Their parents are all clear on one point - not going is not an option. This could be the opportunity to get back into Grandmother's good graces. But when the cousins arrive on the island, it's immediately clear that she has different plans for them. 

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.

There are ghosts around every corner in Fayette, Pennsylvania. Tessa left when she was nine and has been trying ever since not to think about it after what happened there that last summer. Memories of things so dark will burn themselves into your mind if you let them. Callie never left. She moved to another house, so she doesn't have to walk those same halls, but then Callie always was the stronger one.

Ava is sick of online dating. She’s always trusted her own instincts over an algorithm, anyway, and she wants a break from it all. So when she signs up to a semi-silent, anonymous writing retreat in glorious Italy, love is the last thing on her mind. Until she meets a handsome stranger. All she knows is that he’s funny, he’s kind and - she soon learns - he’s great in bed. He’s equally smitten, and after a whirlwind, intoxicating affair, they pledge their love without even knowing each other’s real names.

Kay Donovan has skeletons in her closet, but who doesn't? The past is the past, and now Kay's a star soccer player whose group of gorgeous, pedigreed friends run their private school with effortless popularity and acerbic wit. But when a girl's body is found in the lake, Kay's carefully constructed life begins to topple. The dead girl has left a memento, a computer-coded scavenger hunt, which, as it unravels, begins to implicate each of Kay's friends, until Kay herself is in the crosshairs of the murder investigation.

Yale hopeful Bronwyn has never publicly broken a rule. Sports star Cooper only knows what he's doing in the baseball diamond. Bad boy Nate is one misstep away from a life of crime. Prom queen Addy is holding together the cracks in her perfect life. And outsider Simon, creator of the notorious gossip app at Bayview High, won't ever talk about any of them again. He dies 24 hours before he could post their deepest secrets online. Investigators conclude it's no accident. All of them are suspects. Everyone has secrets, right? What really matters is how far you'll go to protect them.

Ellingham Academy is a famous private school in Vermont for the brightest thinkers, inventors, and artists. It was founded by Albert Ellingham, an early 20th century tycoon, who wanted to make a wonderful place full of riddles, twisting pathways, and gardens. "A place", he said, "where learning is a game." Shortly after the school opened, his wife and daughter were kidnapped. The only real clue was a mocking riddle listing methods of murder, signed with the frightening pseudonym "Truly, Devious".

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.

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.

On an island off the coast of Ireland, guests gather to celebrate two people joining their lives together as one. The groom: handsome and charming, a rising television star. The bride: smart and ambitious, a magazine publisher. It’s a wedding for a magazine or for a celebrity: the designer dress, the remote location, the luxe party favors, the boutique whiskey. The cell phone service may be spotty and the waves may be rough, but every detail has been expertly planned and will be expertly executed.