"I wouldn't care if it rained every Sunday as long I lived; but I just like to know what's the reason it had to go and rain to-day.
Got all the days o' the week to choose from and goes and picks on Saturday.

That's a fine biz'nuss!" "Well, in vacation--" Sam began; but at a sound from a source invisible to him he paused.

"What's that ?" he said, somewhat startled.
It was a curious sound, loud and hollow and unhuman, yet it seemed to be a cough.

Both boys rose, and Penrod asked uneasily: "Where'd that noise come from ?" "It's in the alley," said Sam.
Perhaps if the day had been bright, both of them would have stepped immediately to the alley doors to investigate; but their actual procedure was to move a little distance in the opposite direction.

The strange cough sounded again.
"SAY!" Penrod quavered.