Hugo Award-winning author Charles Stross presents the next case in The Laundry Files ldquoa weirdly alluring blend of super-spy thriller deadpan comic fantasy and Lovecraftian horrorrdquo Kirkus ReviewsDominique OrsquoBrienmdashher friends call her Momdashlives a curious double life with her husband Bob Howard To the average civilian theyrsquore boring middle-aged civil servants But within the labyrinthian secret circles of Her Majestyrsquos government theyrsquore operatives working for the nationrsquos occult security service known as the Laundry charged with defending Britain against dark supernatural forces threatening humanityMorsquos latest assignment is assisting the police in containing an unusual outbreak ordinary citizens suddenly imbued with extraordinary abilities of the super-powered kind Unfortunately these people prefer playing super-pranks instead of super-heroics The Mayor of London being levitated by a dumpy man in Trafalgar Square would normally be a source of shared amusement for Mo and Bob but theyrsquore currently separated because somethingrsquos come between themmdashsomething evilAn antique violin an Erich Zann original made of human white bone was designed to produce music capable of slaughtering demons Mo is the custodian of this unholy instrument It invades her dreams and yearns for the blood of her colleaguesmdashand her husband And despite Morsquos proficiency as a world class violinist it cannot be controlledhellip.