Miriam Beckstein is happy in her life as a successful reporter. When she gets iron-clad evidence of a money-laundering scheme, Miriam thinks she's found the story of the year. But when she takes it to her editor, she's fired on the spot and gets a death threat from the criminals she's uncovered. Before the day is over, she's received a locket left by the mother she never knew - the mother who was murdered when she was an infant. The knotwork pattern within has a hypnotic effect on her.

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.

Ruthless and supremely powerful, the Great Library is now a presence in every major city, governing the flow of knowledge to the masses. Alchemy allows the library to deliver the content of the greatest works of history instantly - but the personal ownership of books is expressly forbidden. Jess Brightwell believes in the value of the library, but the majority of his knowledge comes from illegal books obtained by his family, who are involved in the thriving black market.

London, 1923. Newly minted research assistant Saffron Everleigh is the first woman to hold the position at University College of London. When she attends a dinner party for the school, she expects to engage in conversations about the university's large expedition to the Amazon. What she doesn’t expect is for Mrs. Henry, one of the professors’ wives, to drop to the floor, poisoned by an unknown toxin. Dr. Maxwell, Saffron’s mentor, is the main suspect, and evidence quickly mounts.

New York Police Lieutenant Danny Pak has a problem. When one of his officers calls him out to an unusual crime scene, Danny realizes that it’s terrifyingly similar to something the department thought was dead and buried. Across town, Agent William “Buddy” Redhorn of the FBI has two problems. He’s been assigned a potentially career-ending case with magical ties, and his sorceress boss is out of town. The case involves a stolen statue that belongs to the government of Brunei, but the more he chases the thieves, the more bodies begin to drop. Bodies affected by an unknown magic.

Irene is a professional spy for the mysterious Library, which harvests fiction from different realities. And along with her enigmatic assistant Kai, she's posted to an alternative London. Their mission - to retrieve a dangerous book. But when they arrive, it's already been stolen. London's underground factions seem prepared to fight to the very death to find her book. Adding to the jeopardy, this world is chaos-infested - the laws of nature bent to allow supernatural creatures and unpredictable magic. Irene's new assistant is also hiding secrets of his own.

Taya soars over Ondinium on metal wings. She is an icarus - a courier privileged to travel freely across the city’s sectors and mingle indiscriminately among its castes. But even she can’t outfly the web of terrorism, loyalty, murder, and intrigue that snares her after a daring mid-air rescue.

When the Night Foxes boldly break into the Fourth Precinct’s Evidence Building, it causes quite the stir. As a Magical Examiner, Henri Davenforth is immediately called in. To his astonishment, Captain Gregson has him work the case like a detective. More astounding, he assigns Henri a partner - The Shinigami Detective. The woman is famous for killing the most destructive rogue witch of the century, and no one is quite certain where she’s from. Every officer in the precinct is either in awe of her, or a little frightened by her. Henri is just baffled.

It’s 1931 in Shanghai, and the stage is set for a new decade of intrigue. Four years ago, Rosalind Lang was brought back from the brink of death, but the strange experiment that saved her also stopped her from sleeping and aging—and allows her to heal from any wound. In short, Rosalind cannot die. Desperate for redemption for her traitorous past, she uses her abilities as an assassin for her country. But when the Japanese Imperial Army begins its invasion march, Rosalind’s mission pivots. A series of murders is causing unrest in Shanghai, and the Japanese are under suspicion.

In war-torn Yugoslavia, a beautiful young filmmaker and photographer - a veritable hero to her people - and a German officer have been brutally murdered. Assigned to the case is military intelligence officer Captain Gregor Reinhardt. Already haunted by his wartime actions and the mistakes he's made off the battlefield, he soon finds that his investigation may be more than just a murder, and that the late Yugoslavian heroine may have been much more brilliant - and treacherous - than anyone knew.

Rose Gallagher might dream of bigger things, but she’s content enough with her life as a housemaid. After all, it’s not every girl from Five Points who gets to spend her days in a posh Fifth Avenue brownstone, even if only to sweep its floors. But all that changes on the day her boss, Mr. Thomas Wiltshire, disappears. Rose is certain Mr. Wiltshire is in trouble, but the police treat his disappearance as nothing more than the whims of a rich young man behaving badly. Meanwhile, the friend who reported him missing is suspiciously unhelpful.

Felix Day, author of the Constantine Sphinx mysteries, and Leonard Fuller, author of the Inspector Fez mysteries, are bitter rivals and the best of enemies. Both happen to present when a notorious author of roman à clef is shot by an invisible assailant during a signing at historic Marlborough Bookstore.

When Depression-era private eye Maggie Sullivan is invited to dine with a millionaire, she doesn't expect the first course to be a gun in her face. It draws her into a gold-plated web of theft, revenge, double crosses, and murder. A big-time swindle has made fools of some of the city's wealthiest businessmen. The man behind it has vanished. When Maggie begins asking questions, he reappears - dead in the river. But she's already learned too much. Someone's out to silence her too.

After a past family tragedy for which she holds herself to blame, Dr. Genevieve Summerford wants nothing more than to succeed in her new career as a psychiatrist, and win back the respect of her family and peers. That goal is thrown into jeopardy, however, when one of her patients is arrested for murder - a murder Genevieve fears she may have unwittingly provoked. Desperate to prove to herself and the authorities that her patient is innocent, she is forced to enlist the aid of an influential Tammany captain.

Nineteen-year-old Nell Hallam, an exceptionally talented pianist, aspires to attend the Royal Academy; but with tuition beyond her means, Nell sets out to earn the money herself - by playing piano in a popular Soho music hall. She will have to disguise herself as a man and slip out at night to do it. Spending evenings at the Octavian is like entering an alternate world - one of dark secrets. And when Nell stumbles upon the operations of an infamous crime ring working in the shadows of the music hall, she is drawn into a conspiracy that stretches the length of London.