Doors of the Night

Billy Kane watched the other in frank amazement. The door that David Ellsworth had just opened was the door of the "office"--the room that during working hours, which were from ten to five, was occupied by the stenographer. True, the room opened on the back hallway and had a separate entrance from the courtyard in the rear, an entrance always used by the stenographer, but it was always locked by Peters, the butler, at night, and he, Billy Kane, had the only other key.

David Ellsworth returned, and halted before Billy Kane's chair.

"No, I am not in my second childhood, Billy," he said quietly. "That letter was certainly not written without a purpose; and yet from every angle that I have been able to view it, except one, it would have been exactly that--without purpose. I believe it is the first