LITERARY INNKEEPER'S ADVENTURE
I wanted some time to myself, so I invented a job for him. He had a motor bicycle, and I sent him off next morning for the daily paper, which usually arrived with the post in the late afternoon. I told him to keep his eyes skinned, and make note of any strange figures he saw, keeping a special sharp lookout for motors and aeroplanes. Then I sat down in real earnest to Scudder's note-book.
He came back at midday with the Scotsman There was nothing in it except some further evidence of Paddock and the milkman, and a repetition of yesterday's statement that the murderer had gone north. But there was a long article, reprinted from the Times, about Karolides and the state of affairs in the Balkans, though there was no mention of any visit to England. I got rid of the innkeeper for the afternoon, for I was getting very warm in my search for the cipher.
As I told you, it was a numerical cipher, and by an elaborate system of experiments I had pretty well discovered what were the nulls and stops. The trouble was the key word, and
67
