"It's worth trying," said Frank, after another critical inspection. "I wish we had it on the ground and it was daylight, I think——"
"Cheese it!" Andy interrupted him. "Someone is coming along the path."
"It's old Thorny," said Ward, after a look out of an upper window.
"By Jove! Just my luck!" exclaimed Andy in a whisper.
"What's the matter?" Ward inquired.
"I've just thought of a dandy trick to play on him. Will you fellows help?"
"Another trick!" half groaned Frank, who knew his brother's failing.
"Are you game?" demanded Andy of the two new chums.
"Sure," said Jack.
"Lead on," came from Ward.