Harley Quinn finds herself in a world beyond both the waking world and that of dreams in Knight Terrors: Harley Quinn #1 from Harley Quinn series writer Tini Howard and artist Hayden Sherman (Detective Comics). Harley’s nightmare world is one where her every choice creates a series of infinitely rippling profane reverberations. Plus, Leah Williams and Ben Templesmith help Harley crack a cosmic-mystery night terror in their backup story!