BOOK FOUR IN THE NEW YORK TIMES BESTSELLING FEVER SERIES BY KAREN MARIE MONING AN URBAN FANTASY ROMANCE SERIES PERFECT FOR FANS OF ACOTAR, SERPENT & DOVE, THE INFERNAL DEVICES She's lost to the darkness. He is refusing to let it win... The world has fallen to the Fae. The walls between realms are gone, and Dublin lies in ruins, its streets ruled by monsters and magic. MacKayla Lane is no longer the girl who came seeking answers. Broken, remade, and haunted by the power that nearly destroyed her, she's no longer sure what's real - or who she is. The Sinsar Dubh still haunts Mac and Jericho Barrons is determined to track the book down and bring her back to the light. But love is a dangerous thing, and salvation never comes without sacrifice. To return Mac from the darkness, Barrons may have to lose his soul...