The blank sheets had evidently been inserted by a man in so violent a hurry that he had not noticed the extravagance.
"I shall keep this letter," said John.
"I think you are well advised.

Vassalaro probably does not know that he transgresses a law in writing threatening letters and that should be a very strong weapon in your hand in certain eventualities." There was a tiny safe in one corner of the study and this John opened with a key which he took from his pocket.

He pulled open one of the steel drawers, took out the papers which were in it and put in their place the letter, pushed the drawer to, and locked it.
All the time Kara was watching him intently as one who found more than an ordinary amount of interest in the novelty of the procedure.
He took his leave soon afterwards.
"I would like to come with you to your interesting meeting," he said, "but unfortunately I have business elsewhere.

Let me enjoin you to take your revolver and at the first sign of any bloodthirsty intention on the part of my admirable compatriot, produce it and click it once or twice, you won't have to do more." Grace rose from the piano as Kara entered the little drawing-room and murmured a few conventional expressions of regret that the visitor's stay had been so short.

That there was no sincerity in that regret Kara, for one, had no doubt.