By that mysterious process of telegraphy that exists in all penal institutions, Von Kettler's boast that he would beat the hangman had become the common information of the inmates. Bets were being laid but it was generally agreed that Von Kettler would die. The Invisible Death is a story with night-rays and darkness-antidote as America strikes back at the terrific and destructive Invisible Empire. Это и многое другое вы найдете в книге The Invisible Death (Victor Rousseau)