Grim, can you get word to ben Nasir so that when the escort is ready he may send a messenger straight to the hotel with the information?
D'you get my meaning ?" "Sure," said Grim, "nobody else need know then." "Very well," said Sir Louis.

He rose from his chair to intimate that the precise moment had arrived when I might leave without indiscretion.

It was not until I was outside the door that I realized that my permission was simply verbal, and that the only document that had changed hands had been signed by me.

Grim followed me into the ante-room after a minute.
"Hadn't I better go back and ask for something in writing from him ?" I suggested.
"You wouldn't get it.

Anyhow, you're dealing with a gentleman.
You needn't worry.