Through the air whizzed a volley of stones.
Crash! Both the red and the green lights went out, the glass flying in splinters.
Guessing what had happened, Operator Green dashed out hotfoot in pursuit.
CHAPTER XIX
BEN WANTS TO KNOW WHO "BLABBED"
"Cheese it! Scoot!" sounded the unnecessary warning.
A crowd of boys, engaged in mischief, doesn't have to wait to be instructed in the art of vanishing.
By the time that Mr. Green, swift though he was, got out into the open, Ben and the other stone-throwers had scattered in as many different directions as there were boys in the party.