For all of Kat’s life, it’s just been her and her mother, Jamie—except for the forty-eight hours when Jamie was married and Kat had a stepbrother, Liam. That all ended in an epic divorce, and Kat and Liam haven’t spoken since. Now Jamie is a jewel thief trying to go straight, but she has one last job—at billionaire Ross Sutherland’s birthday party. And Kat has figured out a way to tag along. What Kat doesn’t know, though, is that there are two surprise guests at the dazzling Sutherland compound that weekend. The last two people she wants to run into.

Most people’s births aren’t immortalized in a police report—but Olivia was born during the infamous Camp Lost Lake murders. Seventeen years later, Olivia’s life looks pretty perfect . . . until she discovers the man she calls dad is not her biological father. Now she wants answers about her bloodline, and the only place she knows to look is Camp Lost Lake. Most people don’t spend their formative years on the run with an alleged murderer—but Reagan did. In the court of public opinion, her mom was found guilty of the deaths at Camp Lost Lake, and both of them have been in hiding ever since.

Welcome to the Grandest Game, an annual competition run by billionaire Avery Grambs and the four infamous Hawthorne brothers, whose family fortune she inherited. Designed to give anyone a shot at fame and fortune, this year’s game requires one of seven golden tickets to enter. With millions on the line, those seven players will do whatever it takes to win. Some of the players are in it for the money. Some for power. Some for reasons all their own. Every single one of them has secrets.

Two sisters went missing on their class trip—Grace, the outgoing athlete who is friends with just about everyone, and Maddy, the wallflower wilting in her sister’s shadow who'd rather absorb herself in her journal than talk to her classmates. But when Grace is found—injured, with no memory of what happened—everybody thinks she’s lying. It’s hard not to look guilty with Maddy’s blood on her clothes. Desperate to save her sister—and prove her own innocence—Grace must piece together what happened on that school trip.

For the New Orleans elite, the Les Masques Ball is sure to be the social event of the season—if they can avoid another dead Queen. When debutante Margot Landry was found dead the morning after her reign at last year’s ball, it was a tragedy, but not a shocking one. Margot was a wild child with a self-destructive streak, nothing like this year’s Queen, Lily LeBlanc. With a perfectly poised debutante on the throne, everything is going according to plan…until the ball is hijacked by a mysterious figure in a Jester costume.

Paige Redmond has always felt lucky to spend her summers in Clearwater Ridge, with lazy days sunning at the waterfalls and nights partying at the sprawling houses of the rich families who vacation there. The Covingtons are one of these families, and beautiful, brilliant Audrey Covington is Paige's best friend. And last year, when Audrey's crush-worthy brother Dylan finally started noticing Paige, she was sure it would be the best summer ever.

The day Louisiana teenager Rory Deveaux arrives in London marks a memorable occasion. For Rory, it’s the start of a new life at a London boarding school. But for many, this will be remembered as the day a series of brutal murders broke out across the city - gruesome crimes mimicking the horrific work of Jack the Ripper in the autumn of 1888. Soon “Rippermania” takes hold of modern-day London, and the police are left with few leads and no witnesses. Except one. Rory spotted the man police believe to be the prime suspect.

Annie Lane was murdered, but that won’t slow her down. The mountain her body was dumped on is legendary for raising the dead—so after waking up in the same frigid water that hides her corpse, Annie surges into her backwoods hometown hell-bent on revenge. The problem is, Annie can’t remember who killed her … and the list of people who might have wanted to isn’t exactly short. There’s her toxic mom, who spends her rare sober moments ripping Annie a new one. There’s her boss at the diner, who’s always been a little too friendly. And there’s her cheating ex and his creepy bandmates,.

Eighteen-year-old Bel has lived her whole life in the shadow of her mom’s mysterious disappearance. Sixteen years ago, Rachel Price vanished and young Bel was the only witness, but she has no memory of it. Rachel is gone, long presumed dead, and Bel wishes everyone would just move on. But the case is dredged up from the past when the Price family agrees to a true crime documentary. Bel can’t wait for filming to end, for life to go back to normal. And then the impossible happens. Rachel Price reappears, and life will never be normal again.

Ruby is terrified to cave to her feelings for Sean and risk him crushing her heart. Sean is pumped to spend a week with Ruby in Paris on their senior class trip, and he’ll wait however long until she’s ready to take things further. But when Ruby’s best friend sneaks out the first night to meet a mysterious French boy, Ruby goes after her with two classmates, but caves to another temptation: attending mystery boy’s exclusive party in the Paris catacombs, the intricate web of tunnels beneath the city, home to six million long-dead Parisians. Only they never reach the party.

Eighteen-year-old Addie Blackwood regrets nothing more than one horrible, mistake-filled night last summer. Hours after she hurled the worst words she could think of at her sister, Fiona was found dead at the bottom of a ravine. The police ruled her death an accident, but Addie’s never bought it. Her ballet-prodigy sister didn’t slip and fall; she was pushed. And Addie’s number one suspect: Thatcher Montgomery, the rich kid down the street who always had a thing for Fiona. But when Thatcher is found dead in the same ravine, Addie must admit she was wrong.

The students of LA’s elite Warner Prep can’t wait for their Senior Excursion—five days of Instagrammable adventure in one of the world’s most exclusive locations. This is not your average field trip. Which is why eight students can’t believe their bad luck when they end up on a digital detox in an isolated Colorado ski chalet. Their epic trip is panning out to be an epic bore . . . until their classmates start dropping in a series of disturbing deaths. The message is clear: this trip is no accident.

Summer, 1940. Nineteen-year-old Jakob Novis and his quirky younger sister Lizzie share a love of riddles and puzzles. And now they’re living inside of one. The quarrelsome siblings find themselves amidst one of the greatest secrets of World War II—Britain’s eccentric codebreaking factory at Bletchley Park. As Jakob joins Bletchley’s top minds to crack the Nazi's Enigma cipher, fourteen-year-old Lizzie embarks on a mission to solve the mysterious disappearance of their mother.

Alice Lawrence is the sole witness in her sister’s murder trial. And in the year since Claire’s death, Alice’s life has completely fallen apart. Her parents have gotten divorced, she’s moved into an apartment that smells like bologna, and she is being forced to face her sister’s killer and a courtroom full of people who doubt what she saw in the corn maze a year prior.

Last summer, Alice Ogilvie’s basketball-star boyfriend Steve dumped her. Then she disappeared for five days. She's not talking, so where she went and what happened to her is the biggest mystery in Castle Cove. Or it was, at least. But now, another one of Steve’s girlfriends has vanished: Brooke Donovan, Alice’s ex-best friend. Enter Iris Adams, Alice’s tutor who has her own reasons for wanting to disappear. The police are convinced Steve is the culprit, but Alice isn’t so sure, and with Iris on her side, she just might be able to prove her theory.

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".

For all of Kat’s life, it’s just been her and her mother, Jamie—except for the forty-eight hours when Jamie was married and Kat had a stepbrother, Liam. That all ended in an epic divorce, and Kat and Liam haven’t spoken since. Now Jamie is a jewel thief trying to go straight, but she has one last job—at billionaire Ross Sutherland’s birthday party. And Kat has figured out a way to tag along. What Kat doesn’t know, though, is that there are two surprise guests at the dazzling Sutherland compound that weekend. The last two people she wants to run into.

Lucy Preston just wants to go on vacation. But being the daughter of a famous private detective means that sometimes, your beach vacay goes off the rails a bit. Think: a clandestine meeting at an abandoned amusement park—except instead of a meeting, Lucy and her mom find a body. Because of course they do.

Two sisters went missing on their class trip—Grace, the outgoing athlete who is friends with just about everyone, and Maddy, the wallflower wilting in her sister’s shadow who'd rather absorb herself in her journal than talk to her classmates. But when Grace is found—injured, with no memory of what happened—everybody thinks she’s lying. It’s hard not to look guilty with Maddy’s blood on her clothes. Desperate to save her sister—and prove her own innocence—Grace must piece together what happened on that school trip.

Annie Lane was murdered, but that won’t slow her down. The mountain her body was dumped on is legendary for raising the dead—so after waking up in the same frigid water that hides her corpse, Annie surges into her backwoods hometown hell-bent on revenge. The problem is, Annie can’t remember who killed her … and the list of people who might have wanted to isn’t exactly short. There’s her toxic mom, who spends her rare sober moments ripping Annie a new one. There’s her boss at the diner, who’s always been a little too friendly. And there’s her cheating ex and his creepy bandmates,.

Most people’s births aren’t immortalized in a police report—but Olivia was born during the infamous Camp Lost Lake murders. Seventeen years later, Olivia’s life looks pretty perfect . . . until she discovers the man she calls dad is not her biological father. Now she wants answers about her bloodline, and the only place she knows to look is Camp Lost Lake. Most people don’t spend their formative years on the run with an alleged murderer—but Reagan did. In the court of public opinion, her mom was found guilty of the deaths at Camp Lost Lake, and both of them have been in hiding ever since.

Remy Green is missing. Eight days after the death of her boyfriend, River O’Dell, the magnetic, golden-haired girl disappeared in the dead of night. Jules Green, Remy’s cousin, is her opposite in every way: awkward, shy, and a bit strange, never feeling at home in the small town of Black Falls, NY. The only place she has ever belonged is with River and Remy. Now she’s on her own—and everyone around her believes that Remy is dead. But Jules can still hear Remy’s voice in her head, urging her to keep looking.

There’s something in the lake at Wren Hall. At least, that’s what the locals say. Not that Meg cares much about the rumors. When she’s asked to spend Halloween weekend at the Ireland retreat of the wealthy Wren twins, she recognizes the invitation for exactly what it is: her last, and only, chance to save her spot at Greyscott’s, the exclusive British art school she attended on scholarship until last summer. Clever, beautiful, and talented, the twins are the pride of Greyscott’s, and kindhearted Lottie Wren was once Meg’s closest friend. But not anymore.

Paige Redmond has always felt lucky to spend her summers in Clearwater Ridge, with lazy days sunning at the waterfalls and nights partying at the sprawling houses of the rich families who vacation there. The Covingtons are one of these families, and beautiful, brilliant Audrey Covington is Paige's best friend. And last year, when Audrey's crush-worthy brother Dylan finally started noticing Paige, she was sure it would be the best summer ever.

Zara Jones believes in magic because the alternative is too painful to consider—that her murdered sister is gone forever and there is nothing she can do about it. Rather than grieving and moving on, Zara decides she will do whatever it takes to claw her sister back from the grave—even trading in the occult.

In Calico Springs, Willie’s life has been defined by two powerful forces: God and the river. The “miracle boy” died for five minutes as a young child, and ever since, Willie is certain he survived for a reason, but that purpose didn’t become clear until he found the Game. The Game is called Manifest Atlas, and the concept is simple: enter an intention and the Game provides a target—a blinking blue dot on the map. Willie’s second time playing Manifest Atlas, his intention takes him to an ominous target: three empty graves. Willie is sure the Game is telling him he’s going to die.

Before the summer is over, Scarlett will have to survive a whirlwind of thievery and romantic missteps. But in the city where anything can happen, she just might be able to pull it off.

The day Louisiana teenager Rory Deveaux arrives in London marks a memorable occasion. For Rory, it’s the start of a new life at a London boarding school. But for many, this will be remembered as the day a series of brutal murders broke out across the city - gruesome crimes mimicking the horrific work of Jack the Ripper in the autumn of 1888. Soon “Rippermania” takes hold of modern-day London, and the police are left with few leads and no witnesses. Except one. Rory spotted the man police believe to be the prime suspect.

It's been two weeks since Polly St. James went missing. The police, the headmistress of Torrey-Wells Academy, and even her parents have ruled her a runaway. But not Maren, her best friend and roommate. She knows Polly had a secret that she was about to share with Maren before she disappeared—something to do with the elite, ultra-rich crowd at Torrey-Wells. Then Maren finds an envelope hidden among Polly's things: an invitation to the Gamemaster's Society.

After catching the menstrual murderer red-handed, Annie and Kerry are now the Tampon Two, Barbourough’s most famous—well, only—detective duo. So Annie (and decidedly not Kerry) is enjoying her five minutes of fame. Except life in the spotlight seems to be a magnet for death these days. After a famous prankster is found dead with a condom stretched over his entire head, the Tampon Two are on the scene at their small village’s Festival of Fame to catch another killer.