Librarian Sylvia Ashe knows nothing about her past, having grown up without a father and a mother who refused to discuss him. When she stumbles upon a diary that suggests she's descended from magicians, she's skeptical. After all, magicians are special, and she's just an ordinary woman who loves books. She seeks answers from a member of the most prominent family of magicians, but she quickly learns that finding the truth won't be easy, especially when he turns out to be as artless as her, and more compelling and dangerous than books.

Maeve Merritt chafes at the rigid rules at her London boarding school for “Upright Young Ladies.” When punishment forces her to sort through the trash, she finds a sardine tin that houses a foul-tempered djinni with no intention of submitting to a schoolgirl as his master. Soon an orphan boy from the charitable home next door, a mysterious tall man in ginger whiskers, a disgruntled school worker, and a take-no-prisoners business tycoon are in hot pursuit of Maeve and her magical discovery.

Quick-witted, ambitious Ji Lin is stuck as an apprentice dressmaker, moonlighting as a dance hall girl to help pay off her mother’s Mahjong debts. But when one of her dance partners accidentally leaves behind a gruesome souvenir, Ji Lin may finally get the adventure she has been longing for. Eleven-year-old houseboy Ren is also on a mission, racing to fulfill his former master’s dying wish: that Ren find the man’s finger, lost years ago in an accident, and bury it with his body. Ren has 49 days to do so, or his master’s soul will wander the earth forever.

After centuries of sleep, the gods are warring again. But eighteen-year-old Iris Winnow just wants to hold her family together. Her mother is suffering from addiction and her brother is missing from the front lines. Her best bet is to win the columnist promotion at the Oath Gazette. To combat her worries, Iris writes letters to her brother and slips them beneath her wardrobe door, where they vanish—into the hands of Roman Kitt, her cold and handsome rival at the paper.

The orphaned Elsie Camden learned as a girl that there were two kinds of wizards in the world: those who pay for the power to cast spells and those, like her, born with the ability to break them. But as an unlicensed magic user, her gift is a crime. Commissioned by an underground group known as the Cowls, Elsie uses her spellbreaking to push back against the aristocrats and help the common man. Elite magic user Bacchus Kelsey is one elusive spell away from his mastership when he catches Elsie breaking an enchantment. To protect her secret, Elsie strikes a bargain.

The year is 1896, and college professor Concordia Wells has her hands full: teaching classes, acting as live-in chaperone to a cottage of lively female students, and directing the student play, Macbeth. But mystery and murder are not confined to the stage, especially when the death of Concordia's sister, Mary, appears to be foul play. To make matters worse, the women's college is plagued by malicious pranks, arson, money troubles, and the apparent suicide of a college official.

Young Emmett Farmer is working in the fields when a strange letter arrives summoning him away from his family. He is to begin an apprenticeship as a bookbinder - a vocation that arouses fear, superstition, and prejudice among their small community, but one neither he nor his parents can afford to refuse. For as long as he can recall, Emmett has been drawn to books, even though they are strictly forbidden. Bookbinding is a sacred calling, Seredith informs her new apprentice, and he is a binder born.

Victorian London is a cesspool of crime, and Scotland Yard has only 12 detectives - known as “The Murder Squad” - to investigate thousands of murders every month. Created after the Metropolitan Police’s spectacular failure to capture Jack the Ripper, The Murder Squad suffers rampant public contempt. They have failed their citizens. When Walter Day, the squad’s newest hire, is assigned the case of the murdered detective, he finds a strange ally in the Yard’s first forensic pathologist, Dr. Bernard Kingsley.

Singapore, 1910 - Desperate for a fresh start, Harriet Gordon finds herself living with her brother, a reverend and headmaster of a school for boys, in Singapore at the height of colonial rule. Hoping to gain some financial independence, she advertises her services as a personal secretary. It is unfortunate that she should discover her first client, Sir Oswald Newbold - explorer, mine magnate, and president of the exclusive Explorers and Geographers Club - dead with a knife in his throat.

A monster stalks the gaslit streets of Edwardian London, draining the blood of the city's mediums. Lily Albright knows who's next. Lily is plagued by visions of the future she can never change. When a mysterious fiend threatens someone she loves, she's determined this time will be different.

Twelve-year-old Myrtle Hardcastle has a passion for justice and a highly unconventional obsession with criminal science. Armed with her father’s law books and her mum’s microscope, Myrtle studies toxicology and keeps abreast of the latest developments in crime scene analysis. When her next-door neighbor, a wealthy spinster and eccentric breeder of rare flowers, dies under mysterious circumstances, Myrtle seizes her chance. With her unflappable governess, Miss Ada Judson, by her side, Myrtle takes it upon herself to prove Miss Wodehouse was murdered.

London, 1890. The city is ruled by the nobility and the Watch, or so it seems. When an underground organization pursues the alchemical formula to create a soul, bodies begin to pile up, and important figures begin to go missing. Masked men turn the gears of fate, pushing London into a new era where artificial life is only the beginning. Arhyen is the self-declared finest thief in London. The mission was simple. Steal a journal from Fairfax Breckinridge, one of the greatest alchemists of the time. He hadn't expected to find Fairfax himself, with a dagger in his back.

For the Jews of Eastern Europe, demons are everywhere: Dancing on the rooftops in the darkness of midnight, congregating in the trees, harrowing the dead, even reaching out to try and steal away the living. But the demons have a land of their own: A Far Country peopled with the souls of the transient dead, governed by demonic dukes, barons, and earls. When the Angel of Death comes strolling through the little shtetl of Tupik one night, two young people will be sent spinning off on a journey through the Far Country.

As bombs fall across Europe, fourteen-year-old Lien Vinke fears that the reality of war is inescapable. Though she lives a quiet life with her mother and older sister, Elif, in their small town of Haarlem, they are no strangers to heartache, having recently suffered an immeasurable loss. And when the Nazis invade the Netherlands, joining the Dutch resistance with Elif offers just the atonement Lien craves.

1942, New Zealand. Edith’s been locked away for a long time. She was just five years old when she was sent to Seacliff Lunatic Asylum. Fifteen years later, she has few memories of her life before the asylum, but longs for one beyond it. When she survives a devastating fire that destroys her ward, Edith is questioned by the police and a young doctor, Declan Harris. Intrigued by his beautiful patient, Declan begins to doubt the official reasons for her incarceration. Is she truly mad - or could the impossible stories she told as a child actually be true?