Penny held out a large black button for her to see. A few strands of coarse dark thread still clung to the eyelets.

“It looks like a button from a man’s overcoat!” exclaimed Sara. “Jake, does this belong to you?”

The workman glanced at it and shook his head.

“Not mine.”

“It probably fell from the coat of the person who damaged our sled,” Penny declared thoughtfully. “Not much of a clue, perhaps, but at least it’s something to go on!”

CHAPTER
16
A PUZZLING SOLUTION

Penny pocketed the button and then with Sara went outside the building to look for additional clues. The girls found only a multitude of footprints in the snow beneath the two windows, for the tool house stood beside a direct path to the nursery slopes.

“We’ve learned everything we’re going to,” declared Sara. “Penny, I do wish you would get into the house and take your bath. You’re limping worse every minute.”

“All right, I’ll go. I do feel miserable.”

“Perhaps you ought to have a doctor.”