I stamped the fire out, an' by that time the feller was out o' sight." "He must have wanted to blow the biplane up!" exclaimed Captain Colby.
"He sure did, an' he might have burnt up the shed an' the barn, an' the house, too!" added John Snubble.
The three Rover boys looked at each other.

The same thought was in the mind of each.
"Tad Sobber!" murmured Sam.
"Sure as you're a foot high," added Tom.

"Oh, what a mean thing to do!" "He must have watched what we did, and then planned to wreck the _Dartaway_," said Dick.

"It's just like his meanness." "Let's go down to the old mill after him," burst out Tom.

"I'd like nothing better than to wipe up the ground with him." And he clenched his fists tightly.
"Humph! Do you think he'd show himself ?" asked Sam.