It Was Hard Work

It Was Hard Work.

First stranger (on railway train)–" So you are selling Prof. Blank's new book, are you? Strange coincidence. I am Prof. Blank. Second stranger–"That so? Then you wrote the very book I am agent for? " "Yes. The hardest work I ever did was writing that book." "Well, well! That's another strange coincidence. The hardest work I ever did was trying to sell it."