They walked into the grounds. It was growing darker now and they easily made their way among the trees and bushes to the vicinity of the rambling mansion. They gazed up at the old tower questioningly.
“Some puzzle,” was Frank’s comment. “Will the case of The Tower Treasure ever be solved?”
“Search me!” was his brother’s slangy answer. “Perhaps—oh, Frank, look!” he added suddenly.
He was gazing at the upper windows of the old stone tower. He had seen a strange flash of light. Now this flash was followed by another.
“That’s queer,” muttered Frank. “What can it mean?”
The light disappeared, then of a sudden it flashed out and downward in the direction of the lads.
“Must be looking for us!” gasped Joe, and started to get behind a bush.
“It’s Adelia—and she has a big flashlight,” came, a moment later, from Frank. “What do you know about that!”
“She’s looking for the treasure herself!” cried Joe. “Huh! And after all she said about our looking being nothing but foolishness!”
They saw the woman gaze out of the window for a few seconds. In one hand she held the flashlight. For a moment she turned the light into her own face, and the boys saw there a look of utter disgust.
“Didn’t find it, I’ll bet a cookie!” chuckled Joe.
“Come on—let’s get away before she spots us,” returned his brother, and they were soon on their way.
As they walked home, Joe and Frank talked the matter over. They smiled when they thought of the eccentric woman up in that dusty old tower,