"You never get any good out of cheeking the police." "Well," said Robert to the constable, "this caravan was given to us.
The license for it was got, I feel sure, by the person who gave it to us." "Who was that person ?" P.C.Roper asked, with his pencil ready to write down the name.
Here was a poser.

Who indeed?
The children had discussed X.often enough, but were no nearer to discovering him.
"I don't know," Robert was forced to say.
P.C.Roper smiled a deadly smile.

"Oho!" he said.

"You don't know who gave you the caravan! Things are looking up.

Caravans drop from the sky, do they?
A very thin story indeed.