"We roused up other neighbors, and they searched all about the
grounds, thinking he might have been overcome by a sudden faint.
But we could not find him. My husband had disappeared--
mysteriously disappeared!" and the lady broke into sobs.

"Now don't worry," said Tom, soothingly, as he put his arms about
her as he would have done to his own mother, had she been alive,
"We'll get him back!"

"But how can you? No one knows where he is."

"Oh, yes!" said Tom, confidently, "Mr. Damon himself knows where
he is, and unless he has gone away voluntarily, I think you will
soon hear from him."

"What do you mean by--voluntarily?" asked the wife.

"First let me ask you a question," came from Tom. "You said you
were awakened by a peculiar noise. What sort of a sound was it?"

"Why, a whirring, throbbing noise, like--like--"

She paused for a comparison.

"Like an airship?" asked Tom, with a good deal of eagerness.

"That was it!" cried Mrs. Damon. "I was trying to think where I
had heard the sound before. It was just like the noise your
airship makes, Tom!"