The Archangel Gabriel has quite enough on his plate with a murderous vampire on the loose, the enigmatic Lord Hallam's return to parliament after a ten-year absence, and the near riots at London's notorious Thirteen Club.

But when Gabriel and his faithful sidekick, Jelly, investigate the murder of a woman found in a cemetery with a sooty stain spreading beneath her body, and a curious note impaled on a stake beside her, they find the most troubling omen of all. The woman has the mark of Selene?a long-dead guild?tattooed on her wrist, marking her as both a witch and a werewolf.

Selene's grimoires were destroyed decades ago, along with the guild itself, so how did they come back from extinction, and why? When thirteen witches infiltrate a fantastical show at the Thirteen Club, their new purpose becomes clear.

Selene is out for revenge.

And tonight, there are thirteen werewolves straining at the leash of a full moon, their fury aimed at just one man.

***

Told with Inka York's usual humour and British charm, this book features Uriel and Bel being their best dramatic selves, Gabriel expressing his disdain at not being an only child through the medium of huffing, a bonded wraith that will give you the heebie-jeebies, absolutely zero horse appendages, and an overflowing decanter of gay angst.

This is a standalone set in the Cascade Apocrypha storyworld, which becomes immeasurably richer the more you read, with returning immortals, top-notch banter, and twisted villains across three series so far.