384 pages | PaperbackThe war between old gods and monsters comes to a thrilling climax in this final book in the darkly delightful* House of Furies series, from theNew York Timesbestselling author ofAsylum. (*Publishers Weekly)

Free from the nightmares of Coldthistle House, Louisa and her friends have taken up in a posh new London residence. But theres no rest for the wicked. Religious zealots from the shepherds flock are gathering in the city, and ominous warnings are being left on Louisas doorstep. With the evil influence of her fathers spirit growing strongertrying to take overLouisa knows she will be forced to pick a side in the coming war between the old gods whether shed like to or not.

To save herself, Louisa is desperate enough to do whatever it takeseven if it means returning to Coldthistle House and striking another deal with Mr. Morningside. To uphold her end of the bargain, Louisa will have to rejoin his supernatural staff to venture to a gateway between worlds, a place of legend: the Tomb of Ancients. But, as always, theres a catch