to attempt.

The sun, sending a last yellow glow across the land, sank from sight, and
soon the moon, with silvery light and black bands of shadow, was playing
strange tricks with the stolid world beneath them.

All day, when duties permitted, Bruce had kept an eye open for a cabin
hidden among the pines. Now he shouted through the telephone to Barney;

"What'll I do if I catch a square of light below?"

Barney knew he was thinking of the boy, Timmie, and La Vaune's money he
carried into the woods. A square of light, of course, would have been a
cabin window.

"Kill your engine if you see a chance to light, and explain later," he
shouted back.

But no square of light appeared, and soon the thought of it was driven
from their minds, for, of a sudden, the plane shuddered like a man with
a chill. It was the second engine. Bruce threw off the power. Then,
with a sput-sput-sput, started it again. Once more came the shudder.
Again he tried with no better results. Half its power was gone;
something was seriously wrong. He turned to the other engine. It would
not start at all. Here was trouble. They were passing over ridge after
ridge, and all were roughly timbered. Surely, here was no
landing-place. And if the second engine stopped altogether,--Bruce's
heart lost a beat at thought of it.

He gave the engine more gas and headed the plane upward. She climbed