1884. "Do I have a plan? I just found out! Of course I don't have a f**king plan!" They call them The Altered States: Texas, Colorado, Wyoming and beyond. Half a continent gone to hell. Half a continent home to grotesques, monsters and madmen. Between it and civilisation stands Westwatch and the men and women of the Department for Research into Advanced Weaponry - the agents of D.R.A.W. - who are about to have a very bad day. For what starts as a routine investigation of smuggled ancient artefacts catapults Ginny Dare, Posse Cat, Jiminy Crocket and Marshal Marshal Marshal into a race to stop a being older than the universe bringing about the end of all worlds. Runaway trains, besieged airships, raging river rafts and a gunfight with an army of the dead - with, if they're lucky, a whisky, in between - are just a few challenges they'll face before unlocking the secret of the Altered States, buried deep beneath the earth in one of the Seven Cities of Old ...