Unholy & Sweet Sin Slaughterhouse set

The first complete series special editions of The Devil's Society by Kinsley Kincaid, from The Midnight Bookshelf's June 2026 box. Each box contains two luxe edition 6x9 hardcover omnibuses; this volume, Omnibus 2, collects Unholy and Sweet Sin Slaughterhouse. Features exclusive laminate hardcase editions with custom sprayed or digital edges, photography imagery endpapers, striking interior formatting, a bound satin ribbon bookmark, a digital signature, and an author letter postcard.