At forty-eight, Jacqueline Finch has a nice, easy life with few responsibilities: she's been a librarian in Chicago for twenty-five years and she's just coasting along. That is, until the Universe (helped by three old crones) has other ideas. All at once, Jacqueline's staid (and boring) life is upended, and the next thing she knows, she's heading off to Button Cove to start a new life as the owner of Three Tomes Bookshop.

Just as Lady Victoria Gardella is preparing for her debut into London Society, she learns the shocking and impossible truth about her family legacy: she is one of the very few who has the power—and responsibility—to hunt and slay the evil vampires that infest the city. With infinite questions (where will she hide her stake? how will she know a vampire when she encounters one? how will she sneak out at night?), Victoria agrees to shoulder the responsibility and carry the stake—despite the societal restrictions and expectations of her as a female.

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.

India Steele is desperate. Her father is dead, her fiancé took her inheritance, and no one will employ her, despite years working for her watchmaker father. Indeed, the other London watchmakers seem frightened of her. Alone, poor, and at the end of her tether, India takes employment with the only person who’ll accept her–an enigmatic and mysterious man from America. A man who possesses a strange watch that rejuvenates him when he’s ill.

The daughter of a baronet and minor heiress, Rosalind Thorne was nearly ruined after her father abandoned the family. To survive in the only world she knew, she began to manage the affairs of some of London society's most influential women, who rely on her wit and discretion. So when artistocratic wastrel Jasper Aimesworth is found dead in London's most exclusive ballroom, Almack's, Rosalind must use her skills and connections to uncover the killer.