"In a side street, off Shaftesbury Avenue--tell you more of it, later.

Go on, Swallow." "He paid off his driver there, and went in," continued Swallow.

"I paid mine and hung about--there's only one entrance and exit to that spot, as you know.

He came out again within five minutes, stuffing some letters into his pocket.

He walked away across Shaftesbury Avenue into Wardour Street--there he went into a tobacconist's shop.