"A Roman candle," said Fred.
Polly looked a little blank.
"Of course you don't want to say it that way," Fred explained. "Say a roaming candle and you'll get the idea."
"Lots of children say a 'roaming candle,'" declared Margy.
"But I don't," replied Polly. "Still, if you say that is the answer to the riddle, all right, it is."
"Now it's my turn!" Artie cried eagerly.
But he did not have a chance to ask his riddle. Just as he opened his mouth and the riddle trembled on the tip of his tongue, a loud explosion sounded outside.
Bang!
"A cannon!" screamed Jess. "Some one fired off a cannon!"