"Hullo! Who's moving there?
O-o-oh--say!" They were just at the head of the narrow alley-way leading down to the stable.

Up this alley-way a man had been picking his prowling way in the dark.

At the hail from Dick Prescott the man turned, as though to glide back into the shadow.
But now, suddenly, the fellow wheeled like a flash and bounded into the path of the two Grammar School boys.
"I reckon this time will be as good as any other!" announced Mr.Fits, with an ugly laugh that showed his fang like teeth..