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".

Seventeen-year-old Cassie is a natural at reading people. Piecing together the tiniest details, she can tell you who you are and what you want. But, it's not a skill that she's ever taken seriously. That is, until the FBI come knocking: they've begun a classified program that uses exceptional teenagers to crack infamous cold cases, and they need Cassie.

Swinging London, Summer 1967. Sixteen-year-old Estella, gifted with talent, ingenuity, and ambition, dreams of becoming a renowned fashion designer. But life seems intent on making sure her dreams never come true. Having arrived in London as a young girl, Estella now runs wild through the city streets with Jasper and Horace, amateur thieves who double as Estella's makeshift family and partners-in-(petty)-crime. How can Estella dedicate herself to joining the ranks of the London design elite when she's sewing endless costumes and disguises for the trio's heists?  

Thanks to a DNA test, Avery knows that she’s not a Hawthorne by blood, but clues pile up hinting at a deeper connection to the family than she had ever imagined. As the mystery grows and the plot thickens, Grayson and Jameson, two of the enigmatic and magnetic Hawthorne grandsons, continue to pull Avery in different directions. And there are threats lurking around every corner, as adversaries emerge who will stop at nothing to see Avery out of the picture - by any means necessary. 

Jamie Watson has always been intrigued by Charlotte Holmes; after all, their great-great-great-grandfathers were one of the most infamous pairs in history. But the Holmes family has always been odd, and Charlotte is no exception. She's inherited Sherlock's volatility and some of his vices - and when Jamie and Charlotte end up at the same Connecticut boarding school, Charlotte makes it clear she's not looking for friends.

In 1977, Claire Lake, Oregon, was shaken by the Lady Killer Murders: Two men, seemingly randomly, were murdered with the same gun, with strange notes left behind. Beth Greer was the perfect suspect - a rich, eccentric 23-year-old woman, seen fleeing one of the crimes. But she was acquitted, and she retreated to the isolation of her mansion.

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.

When Madeleine Maxwell is recruited by the St Mary's Institute of Historical Research, she discovers the historians there don't just study the past - they revisit it. But one wrong move and History will fight back - to the death. And she soon discovers it's not just History she's fighting....

It was supposed to be the perfect prom weekend getaway. But it's clear something terrible happened when Claire wakes up alone and bloodied on a hiking trail with no memory of the past 48 hours. Now everyone wants answers - most of all, Claire. She remembers Friday night, but, after that...nothing. And now Kat and Jesse - her best friends - are missing. What happened on the mountain? And where are Kat and Jesse? Claire knows the answers are buried somewhere in her memory. But as she's learning, everyone has secrets - even her best friends.

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.

My whole world changed when I stepped inside the academy. Nothing is right about this place or the other students in it. Here I am, a mere mortal among gods...or monsters. I still can't decide which of these warring factions I belong to, if I belong at all. I only know the one thing that unites them is their hatred of me. Then there's Jaxon Vega. A vampire with deadly secrets who hasn't felt anything for a hundred years. 

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. 

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.

The Gallagher Academy for Exceptional Young Women is a fairly typical all-girls school - that is, it would be if every school taught advanced martial arts in PE and the latest in chemical warfare in science, and students received extra credit for breaking CIA codes in computer class. The Gallagher Academy might claim to be a school for geniuses, but it's really a school for spies.

When Sawyer Taft agrees to move in with her grandmother, she expects some things to be different, but what she doesn't expect is to get sucked into a group of over-privileged, yet somehow lovable debs who have kidnapped one of their own in hopes of blackmailing her into keeping their secrets under wraps - secrets that are far bigger and more scandalous than anyone could have imagined. As Sawyer works to uncover the identity of her father, she must also navigate the twisted relationships between her new friends and their powerful parents and help them discover the villain among them.