“What do you suppose that means?” demanded Fred in a whisper.
“I told you there was the ghost of an automobile in that house, didn’t I?” demanded John.
“Look yonder,” called Grant quickly. “There’s that light again in the cellar. Don’t you think we had better stop and find out what all this means?”
At that moment the faint sound of the horn was heard again from the house and for an instant lights flashed from every window.
These, however, quickly disappeared and although the boys waited several minutes, the sound was not repeated nor were the lights again seen.
CHAPTER IX—ANOTHER FLIGHT
“What do you suppose that means?” demanded Fred in a whisper.
“Things are seldom what they seem,” said Grant.