Kaye is used to drifting from place to place with her mother’s rock band, until an ominous attack forces them back to her childhood home. Kaye’s always had the unique ability to see faeries, so when she stumbles upon an injured faerie knight in the woods, she decides to save him. But this fateful choice has dire consequences, as she soon finds herself the unwilling pawn in an ancient and violent power struggle between two rival faerie kingdoms. Will Kaye escape with her life?

Jude was seven years old when her parents were murdered and she and her two sisters were stolen away to live in the treacherous High Court of Faerie. Ten years later, Jude wants nothing more than to belong there, despite her mortality. But many of the fey despise humans. Especially Prince Cardan, the youngest and wickedest son of the High King. To win a place at the Court, she must defy him - and face the consequences.

Eight years have passed since the Battle of the Serpent. But in the icy north, Lady Nore of the Court of Teeth has reclaimed the Ice Needle Citadel. There, she is using an ancient relic to create monsters of stick and snow who will do her bidding and exact her revenge. Suren, child queen of the Court of Teeth, and the one person with power over her mother, fled to the human world. There, she lives feral in the woods. Lonely, and still haunted by the merciless torments she endured in the Court of Teeth, she bides her time by releasing mortals from foolish bargains.

Charlie Hall has never found a lock she couldn’t pick, a book she couldn’t steal, or a bad decision she wouldn’t make. She's spent half her life working for gloamists, magicians who manipulate shadows to peer into locked rooms, strangle people in their beds, or worse. Gloamists guard their secrets greedily, creating an underground economy of grimoires. And to rob their fellow magicians, they need Charlie Hall.

Tana lives in a world where walled cities called Coldtowns exist. In them, quarantined monsters and humans mingle. But once you pass through Coldtown's gates, you can never leave. One morning, after a perfectly ordinary party, Tana wakes up surrounded by corpses. The only other survivors are her exasperatingly endearing ex-boyfriend, infected and on the edge, and a mysterious boy burdened with a terrible secret. Shaken and determined, Tana enters a race against the clock to save the three of them by going straight to Coldtown's opulent heart.