Chapter 12

It was undoubtedly a house of surprises, was Number 5, Green Street. A stranger passing through the dingy office on the ground floor where Mr. Atkinson's assistant was wont to sit at the receipt of custom, and then ascending the stairs to the first storey would have found it hard to believe that he was in the same house. But then, strangers were not encouraged to do anything of the sort. There was a door at the top of the flight of stairs, and it was at this door that the metamorphosis took place. On one side of…