Intheaction-packedfourthbookintheNewYorkTimesbestsellingJackabyseries,asupernaturaldetectiveandhisindispensableassistant,AbigailRook,areplungedintotheheartofanapocalypticwarbetweenmagicalworlds.ThefateoftheworldisinthehandsofdetectiveofthesupernaturalR.F.Jackabyandhisintrepidassistant,AbigailRook.Anevilkingisturningancienttensionsintomodernstrife,usingablendofmagicandtechnologytopushtheearthandtheotherworldintoamortalcompetition.JackabyandAbigailarecaughtinthemiddleastheycontinuetosolvemysteriesinNewFiddleham,NewEngland--likewho’screatedtherendbetweentheworlds,howtocloseit,andwhytheundeadareappearingaroundtown.Atthesametime,theromancebetweenAbigailandtheshape-shiftingpolicedetectiveCharlieCanedeepens,andJackaby’sresistancetohisfeelingsfortheghostlyladyof926AugurLane,JennyCavanaugh,beginstogiveway.Butbeforethefourcanthinkabouttheirownfutures,theywillhavetodefeatanevilthatwantstodestroythefuturealtogether.TheepicfourthvolumeintheNewYorkTimesbestsellingJackabyseriesfeatureswryhumorandacastofunforgettablecharactersfacingoffagainsttheirmostdangerous,bone-chillingfoeever.