The history… and future of the Slaughterverse is laid bare by Something is Killing the Children and House of Slaughter creators James Tynion IV and Werther Dell'Edera in this lore-filled graphic novella no fan can afford to miss! From the sidelines to the spotlight, Book of Slaughter follows the White Mask Maxine Slaughter... but will her loyalties remain where they are, or will she show her true colors? In addition to being a precursor to upcoming chapters of the Slaughterverse, this story doubles as a sizable guidebook that delves into the deep lore of the Order of St. George!