You can't keep Tom Rover quiet." So the comments ran on, while Dick and Tom sped in the direction of the shed.

As they came closer they received a sudden challenge from the big doorway.
"Hi! don't you dare to come back here, or I'll shoot you!" The words were uttered by Abner Filbury, who stood there, shotgun in hand and lantern by his side.
"Don't shoot!" ordered Dick.

"It is I, Dick Rover! What's the trouble ?" "Oh, so it's you, Mr.Rover!" returned the janitor's son, with a sigh of relief.

"I was afraid them pesky rascals was a-coming back." "What rascals ?" "The fellers as got at the airship while I was asleep.

But I guess they didn't get no chance to hurt anything," went on Abner, hastily.
"Who were they ?" asked Tom.
"I don't know.