It is 1821 and Nicolas-Marc, Comte de Valois de La Motte is making a splash in London Society. The son of Jeanne de Valois de La Motte, infamous for stealing a priceless diamond necklace meant for Marie Antoinette, Nico hopes to restore his wronged mother's reputation, if only he can raise the funds. But he must operate with great secrecy, because the Bourbon dynasty murdered his mother, and he fears for his life.

As the mists descend, the gaslight flickers, and terror takes its hold, two warring lovers must reconcile in time to uncover the murderous mysteries of Lackaday House—and live to tell the tale.

From the New York Times bestselling author of Starling House comes a moving and genre-defying quest following the reluctant knight whose legend built a nation and the desperate scholar sent back through time to ensure she meets her tragic fate—even if it breaks his heart.

Robin Blyth has more than enough bother in his life. When an administrative mistake sees him named the civil service liaison to a hidden magical society, he discovers what’s been operating beneath the unextraordinary reality he’s always known.

Earth is a ruin, and the scattered remnants of humanity scavenge what they can from the stars. This under the watchful auspices of a grab-bag of collectives, corporations, and churches. These are all that remains of what we once called society. Having long exhausted any conventional sources of energy, life in the solar system is now sustained by a volatile, hallucinogenic substance – this harvested from the brains of vast cetacean-like Leviathans that swim the atmospheric currents of Jupiter.

1925 New York. Arthur Kenzie's life's work is protecting the world from the supernatural relics that could destroy it. When an amulet with the power to control the tides is shipped to New York, he must intercept it before it can be used to devastating effects. This time, in order to succeed, he needs a powerful psychometric...and the only one available has sworn off his abilities altogether. Rory Brodigan's gift comes with great risk. To protect himself, he's become a recluse, redirecting his magic to find counterfeit antiques.

Charlie needs to revamp his career. Writing advice columns was hard enough before the whole internet was dying to know how to date the undead–but Charlie’s as human as they come. And he has no idea how to answer the messages flooding his inbox, like My Workplace Slack Is Haunted; Should I Cross Dimensions For a Fling? and How Exactly Do You Smash A…

The night Lyssa Cadogan's brother was murdered by a faerie-made monster known as the Beast, she made him a promise: she would find a way to destroy the immortal creature and avenge his death. For thirteen years, she has been hunting faeries and the abominations they created. But in all that time, the one Beast she is most desperate to find has never resurfaced. Until she meets Alderic Casimir de Laurent, a melodramatic dandy with a coin purse bigger than his brain. Somehow, he has found the monster’s lair, and—even more surprising—retrieved one of its claws.

Healer Anja regularly drinks poison. Not to die, but to save—seeking cures for those everyone else has given up on. But a summons from the King interrupts her quiet, herb-obsessed life. His daughter, Snow, is dying, and he hopes Anja’s unorthodox methods can save her. Aided by a taciturn guard, a narcissistic cat, and a passion for the scientific method, Anja rushes to treat Snow, but nothing seems to work. That is, until she finds a secret world, hidden inside a magic mirror. This dark realm may hold the key to what is making Snow sick. Or it might be the thing that kills them all.

Leovander Loveage is a master of small magics. He can summon butterflies with a song or turn someone’s hair pink by snapping his fingers. Though such minor charms don’t earn him much respect, anything more elaborate always blows up in his face, and so Leo vowed long ago never to use powerful magic again. That is, until a mishap with a forbidden spell binds Leo to obey the commands of his longtime rival, Sebastian Grimm. Grimm is Leo’s complete opposite—respected, exceptionally talented, and absolutely insufferable.