“You have guessed the secret, Mr. Bolton. And my advice to you and to your son is to do exactly as you are told, without argument or question. Strangers on Shell Island have always found that to disobey commands here is a particularly unhealthy pastime. Obey on the jump—is our slogan. I hope for your sakes that neither of you forgets it.” He smiled at them affably and puffed on his cigar.