In Knight Terrors, DC's heroes and villains are engulfed in their own dark and twisted nightmares by new villain Insomnia and his Sleepless Knights. This frightening companion collection reveals the bleakest horrors in the minds of Harley Quinn, Poison Ivy, The Joker, Punchline, and Zatanna! Enter the Harley Quinn Zone as Harley is confronted with the surreal and unsettling consequences of her choices! It's a suburban nightmare as Poison Ivy wakes...