"Fire! Fire! Fire!"
"Where, Tom?" gasped Mr. Swift, and his son thought the aged inventor grew suddenly paler.
"Aeroplane shed," answered the lad. "But don't worry dad. It's only a small blaze. We'll get it out. You stay here. We'll attend to it—Mr. Jackson and Eradicate and I."
"No—I'm going to help!" exclaimed Mr. Swift, sturdily. "I'll be with you, Tom. Go on!"
The lad rushed down to the yard, closely followed by the engineer, who had caught up another extinguisher. Eradicate was rushing about, not knowing what to do, but still keeping up his shouting.
"It's on de roof! De roof am all blazin'!" he yelled.
"Quit your noise, and get to work!" cried Tom. "Get out a ladder, Rad, and raise it to the side of the shed. Then play this extinguisher on the blaze. Mr. Jackson, you help me run the Humming-Bird out. After she's safe we'll tackle the fire."
Tom cast a hurried look at the burning shed. The flames were shooting high up from the roof, now, and eating their way down. As he rushed toward the big doors, which he intended to open to enable him to run out his sky racer, he was
