Screw was astute, sharp as a ferret, relentless as a steel-corkscrew, crushing its cruel way through the creaking cork; but Screw was an honest man, as the times go.

That was the difference between him and Barker.

Screw's smile was his best expression, Barker's smile was of the devil, and very wily.

Screw smiled because he was amused.

Barker smiled when he was successful.
"I think for the present," said Mr.Screw, "that unless you positively wish to appear, it would be as well that you should not.