This is a tale of missing persons. Madeleine and her mother have run away from their former life and settled in a rainy corner of Cambridge (in our world). Elliot, on the other hand, is in search of his father, who disappeared on the night his uncle was found dead. As Madeleine and Elliot move closer to unraveling their mysteries, they begin to exchange messages across worlds - through an accidental gap that hasn't appeared in centuries. But even greater mysteries are unfolding on both sides of the gap...

When Liv Bloom lands an art scholarship at Wickham Hall, it's her ticket out of the foster system. Liv isn't sure what to make of the school's weird traditions and rituals, but she couldn't be happier - especially when Malcolm Astor, fellow artist and scion of one of the school's original families, starts falling for her. Fellow scholarship kid Gabe Nichols warns her not to get involved with a "Wicky," but things are finally going Liv's way, and all she wants to do is enjoy it.

Over two decades have passed since the fire at Elmbridge High, an inferno that took the lives of five teenagers. Not much was known about the events leading up to the tragedy - only that one student, Carly Johnson, vanished without a trace....

As dusk approaches a small Dublin suburb in the summer of 1984, mothers begin to call their children home. But on this warm evening, three children do not return from the dark and silent woods. When the police arrive, they find only one of the children gripping a tree trunk in terror, wearing blood-filled sneakers, and unable to recall a single detail of the previous hours. Twenty years later, the found boy, Rob Ryan, is a detective on the Dublin Murder Squad and keeps his past a secret.

Milly's mother is a serial killer. Though Milly loves her mother, the only way to make her stop is to turn her in to the police. Milly is given a fresh start: a new identity, a home with an affluent foster family, and a spot at an exclusive private school. But Milly has secrets, and life at her new home becomes complicated. As her mother's trial looms, with Milly as the star witness, Milly starts to wonder how much of her is nature, how much of her is nurture, and whether she is doomed to turn out like her mother after all.

Two years ago, Julia lost her family in a tragic accident. Her husband drowned trying to save their daughter, Lily, in the river near their rural home. But the little girl’s body was never found—and Julia believes Lily is somehow still alive. Alone and broke, Julia opens her house as a writers’ retreat. One of the first guests is Lucas, a horror novelist, who becomes obsessed with finding out what happened to Lily.

Simon Lewis has been a human and a vampire, and now he is becoming a Shadowhunter. The events of City of Heavenly Fire left him stripped of his memories, and Simon isn't sure who he is anymore. So when the Shadowhunter Academy reopens, Simon throws himself into this new world of demon hunting, determined to find himself again. Whomever this new Simon might be. But the Academy is a Shadowhunter institution, which means it has some problems.

For most of Tony Gilbert's life, he has thought of his uncle as "Weird Uncle Charlie". That is, until Uncle Charlie moves in with Tony and his family. Uncle Charlie is still odd, of course - talking about spirits and other supernatural stuff - but he and Tony become fast friends, and Tony ends up having a lot of fun with Uncle Charlie. When Uncle Charlie dies suddenly, Tony is devastated. Then he starts seeing Uncle Charlie everywhere!

Henry Page has never been in love. He fancies himself a hopeless romantic, but the slo-mo, heart palpitating, can't-eat-can't-sleep kind of love that he's been hoping for just hasn't been in the cards for him - at least not yet. Instead he's been happy to focus on his grades, on getting into a semi-decent college, and finally becoming editor of his school newspaper. Then Grace Town walks into his first period class on the third Tuesday of senior year, and he knows everything's about to change.

Darcy Patel has put college on hold to publish her teen novel, Afterworlds. With a contract in hand, she arrives in New York City with no apartment, no friends, and all the wrong clothes. Woven into Darcy's personal story is her novel, Afterworlds, a suspenseful thriller about a teen who slips into the "Afterworld" to survive a terrorist attack. The Afterworld is a place between the living and the dead, and where many unsolved - and terrifying - stories need to be reconciled. Like Darcy, Lizzie too falls in love - until a new threat resurfaces....

In all her life, Eustacia "Taisy" Cleary has given her heart to only three men: her first love, Ben Ransom; her twin brother, Marcus; and Wilson Cleary - professor, inventor, philanderer, self-made millionaire, brilliant man, breathtaking jerk, her father. Seventeen years ago Wilson ditched his first family for Caroline, a beautiful young sculptor. In all that time, Taisy's family has seen Wilson, Caroline, and their daughter, Willow, only once.

Ivy and Tristan are meant to be together. Both stunningly attractive, brilliantly talented, and very much in love, they think their happiness will last forever. Then a terrible car accident shatters their world, killing Tristan. He returns as an angel, but Ivy is unable to feel his presence. Challenging both of their beliefs, they must each learn how to deal with the aftermath.

Dr. Anya Molokova, a child psychiatrist, is called in to work at MacNeice House, an adolescent mental health treatment center. There she is told to observe and assess Alex Connolly, a keenly intelligent, sensitive ten-year-old coping with his mother's latest suicide attempt. Alex is in need of serious counseling: He has been harming himself and others, often during blackouts. At the root of his destructive behavior, Alex claims, is his imaginary "friend" Ruen, a cunning demon who urges Alex to bend to his often violent will.

In the fall of 1991, Zooey Orson transfers to the Blackfriars School for Boys hoping for a fresh start following a scandal at his last school. Before he knows it, he’s fallen in with a group of boys who all share the same secret, one which they can only express openly within the safety of the clandestine gatherings of the Vicious Circle—the covert club for gay students going back decades. But when the boys unwittingly happen upon the headmaster’s copy of an arcane occult text, they unleash an eldritch secret so terrible, it threatens to consume them all.

Frances Janvier spends most of her time studying. Everyone knows Aled Last as that quiet boy who gets straight A's. You probably think that they are going to fall in love or something. Since he is a boy and she is a girl. They don't. They make a podcast. In a world determined to shut them up, knock them down, and set them on a cookie-cutter life path, Frances and Aled struggle to find their voices over the course of one life-changing year.