"You seem to know something of books, sir," he remarked in a surprised tone.

"May I ask where you picked it up ?" Again Felix smiled, a curious expression lurking around his thin lips--a way with him when he intended to be non-committal.

He was now more interested in the speaker than in the object before him, especially in the big dome head and sunken eyes, shaded by bushy eyebrows, the only feature of the man which seemed to have had a chance to grow to its normal size.

He had caught, too, a certain high-pitched note, one of suffering running through the hunchback's speech--often discernible in those who have been robbed of their full physical strength and completeness.
"Oh, I don't know, Mr.Kelsey.There are, as you know, but few old clamp books like this in existence.

There are some in the Bibliotheque in Paris, and a good many in Spain.