“Don’t say you collect bugs!”

“No. I share rooms with a very interesting man. He’s a Belgian—an ex-detective. He’s set up as a private detective in London, and he’s doing extraordinarily well. He’s really a very marvellous little man. Time and again he has proved to be right where the official police have failed.”

My companion listened with widening eyes.

“Isn’t that interesting, now? I just adore crime. I go to all the mysteries on the movies. And when there’s a murder on I just devour the papers.”

“Do you remember the Styles Case?” I asked.

“Let me see, was that the old lady who was poisoned? Somewhere down in Essex?”

I nodded.

“That was Poirot’s first big case. Undoubtedly, but for him, the murderer would have escaped scot-free. It was a most wonderful bit of detective work.”

Warming to my subject, I ran over the heads of the affair, working up to the triumphant and unexpected dénouement. The girl listened spellbound. In fact, we were so absorbed that the train drew into Calais station before we realized it.

“My goodness gracious me!” cried my companion. “Where’s my powder-puff?”