assembling the parts which he had separated in order to carry it.

"These are the marks on the door, I presume?" he continued,
examining some indentations of the woodwork near the lock.

Langhorne assented.

"The door was open when you returned?" asked Kennedy.

"Closed," replied Langhorne briefly. "Before I put the key into
the lock, I turned the knob, as I have a habit of doing. Instead
of catching, it yielded and the door swung open without any
trouble."

He repeated the story substantially as we had already read it in
the papers.

Kennedy had taken a step or two into the office, and was now
facing the safe. It was not a large safe, but was one of the most
modern construction and was supposed to be burglar proof.

"And you say you lost practically nothing?" persisted Craig.

"Nothing of importance," reiterated Langhorne.

Kennedy had been watching him closely. The man was at least
baffling. There was nothing excited or perturbed about his manner.
Indeed, one might easily have thought that it was not his safe at
all that had been robbed. I wondered whether, after all, he had
had the Black Book. Certainly, I felt, if he had lost it he was