.

"I Expect the Assassin This Evening".
"I must take you," said Rouletabille, "so as to enable you to understand, to the various scenes.

I myself believe that I have discovered what everybody else is searching for, namely, how the murderer escaped from The Yellow Room, without any accomplice, and without Mademoiselle Stangerson having had anything to do with it.

But so long as I am not sure of the real murderer, I cannot state the theory on which I am working.

I can only say that I believe it to be correct and, in any case, a quite natural and simple one.