Once, there were four worlds, nestled like pages in a book, each pulsing with fantastical power and connected by a single city: London. Until the magic grew too fast and forced the worlds to seal the doors between them in a desperate gamble to protect their own. The few magicians who could still open the doors grew more rare as time passed and now, only three Antari are known in recent memory—Kell Maresh of Red London, Delilah Bard of Grey London, and Holland Vosijk, of White London.

Kate Harker and August Flynn are the heirs to a divided city - a city where the violence has begun to breed actual monsters. All Kate wants is to be as ruthless as her father, who lets the monsters roam free and makes the humans pay for his protection. All August wants is to be human, as good-hearted as his own father, to play a bigger role in protecting the innocent - but he's one of the monsters. One who can steal a soul with a simple strain of music.

Olivia Prior has grown up in Merilance School for Girls, and all she has of her past is her mother’s journal—which seems to unravel into madness. Then, a letter invites Olivia to come home to Gallant. Yet when Olivia arrives, no one is expecting her. But Olivia is not about to leave the first place that feels like home; it doesn’t matter if her cousin Matthew is hostile, or if she sees half-formed ghouls haunting the hallways.

Twenty-year-old Violet Sorrengail was supposed to enter the Scribe Quadrant, living a quiet life among books and history. Now, the commanding general—also known as her tough-as-talons mother—has ordered Violet to join the hundreds of candidates striving to become the elite of Navarre: dragon riders. But when you’re smaller than everyone else and your body is brittle, death is only a heartbeat away...because dragons don’t bond to “fragile” humans. They incinerate them.

It's been 297 days since David died - and came back. He may have survived the avalanche, but the aftermath has been far worse. His wife moved out, taking his son with her, and a devastated David hasn't left his house since, terrified of the mysterious new power that followed him home from the ill-fated expedition. After months in seclusion, David's ready for a fresh start, and ventures out, determined to keep his power in check. But David's power isn't the one he needs to worry about.

Born shrouded in the veil of the Primals, a Maiden as the Fates promised, Seraphena Mierel’s future has never been hers. Chosen before birth to uphold the desperate deal her ancestor struck to save his people, Sera must leave behind her life and offer herself to the Primal of Death as his Consort. However, Sera’s real destiny is the most closely guarded secret in all of Lasania - she’s not the well protected Maiden but an assassin with one mission - one target. Make the Primal of Death fall in love, become his weakness, and then...end him.

Opal is a lot of things—orphan, high school dropout, full-time cynic and part-time cashier—but above all, she's a determined to find a better life for her younger brother Jasper. One that gets them out of Eden, Kentucky, a town remarkable for only two things: bad luck and E. Starling, the reclusive nineteenth century author of The Underland, who disappeared over a hundred years ago. All she left behind were dark rumors—and her home. Everyone agrees that it’s best to ignore the uncanny mansion and its misanthropic heir, Arthur. Almost everyone, anyway.

Galaxy “Alex” Stern is the most unlikely member of Yale’s freshman class. Raised in the Los Angeles hinterlands by a hippie mom, Alex dropped out of school early and into a world of shady drug-dealer boyfriends, dead-end jobs, and much, much worse. In fact, by age twenty, she is the sole survivor of a horrific, unsolved multiple homicide. Some might say she’s thrown her life away. But at her hospital bed, Alex is offered a second chance: to attend one of the world’s most prestigious universities on a full ride. What’s the catch, and why her?

For as long as she can remember, Evangeline Fox has believed in true love and happy endings…until she learns that the love of her life will marry another. Desperate to stop the wedding and to heal her wounded heart, Evangeline strikes a deal with the charismatic, but wicked, Prince of Hearts. In exchange for his help, he asks for three kisses, to be given at the time and place of his choosing. But after Evangeline’s first promised kiss, she learns that bargaining with an immortal is a dangerous game—and that the Prince of Hearts wants far more from her than she’d pledged.

Ever since Cass almost drowned (okay, she did drown, but she doesn't like to think about it), she can pull back the Veil that separates the living from the dead...and enter the world of spirits. Her best friend is even a ghost. So things are already pretty strange. But they're about to get much stranger. When Cass's parents start hosting a TV show about the world's most haunted places, the family heads off to Edinburgh, Scotland. Here, graveyards, castles, and secret passageways teem with restless phantoms. And then Cass meets a girl who shares her "gift"....

1828. Robin Swift, orphaned by cholera in Canton, is brought to London by the mysterious Professor Lovell. There, he trains for years in Latin, Ancient Greek, and Chinese, all in preparation for the day he’ll enroll in Oxford University’s prestigious Royal Institute of Translation—also known as Babel. Babel is the world's center for translation and, more importantly, magic. Silver working—the art of manifesting the meaning lost in translation using enchanted silver bars—has made the British unparalleled in power, as its knowledge serves the Empire’s quest for colonization.

Effy Sayre has always believed in fairy tales. Haunted by visions of the Fairy King since childhood, she’s had no choice. Her tattered copy of Angharad—Emrys Myrddin’s epic about a mortal girl who falls in love with the Fairy King, then destroys him—is the only thing keeping her afloat. So when Myrddin’s family announces a contest to redesign the late author’s estate, Effy feels certain it’s her destiny. But musty, decrepit Hiraeth Manor is an impossible task, and its residents are far from welcoming.

Welcome to Charon's Crossing. The tea is hot, the scones are fresh, and the dead are just passing through. When a reaper comes to collect Wallace from his own funeral, Wallace begins to suspect he might be dead. And when Hugo, the owner of a peculiar tea shop, promises to help him cross over, Wallace decides he’s definitely dead.

Queen Coriane, first wife of King Tiberias, keeps a secret diary - how else can she ensure that no one at the palace will use her thoughts against her? Coriane recounts her heady courtship with the crown prince, the birth of a new prince, Cal, and the potentially deadly challenges that lie ahead for her in royal life.

Amina al-Sirafi should be content. After a storied and scandalous career as one of the Indian Ocean’s most notorious pirates, she’s survived backstabbing rogues, vengeful merchant princes, several husbands, and one actual demon to retire peacefully with her family to a life of piety, motherhood, and absolutely nothing that hints of the supernatural.