I'll explain it all to father in the morning.

Perhaps he can help us out." "Gee whiz! almost twelve o'clock," exclaimed Hiram Nelson, looking up at the clock from the dining-room table in Paul Perkins' house.

The chamber was strewn with text books on model aeroplane construction and littered with figures and plans of the boys' own devising.

"How time flies when you're on a subject that interests you." "Yes, it's a good thing it's vacation time," agreed Paul.

"We wouldn't be in much shape to work at our books to-morrow, eh ?" "I should say not!" rejoined Hiram with conviction.