"Look!" he whispered.
"Well, what about it?" asked Rodney.
"Do you mean the rocker tracks look like twin snake marks?" inquired Weezie. "They do; don't they?"
"No, I didn't mean that," went on Nat, who had a queer look on his face as he stared at the dusty trail. "But don't you remember—the clump of weeds where Thump was barking yesterday? In the soft ground, near the weeds, were tracks just like these we made now, when we pulled the rocking chair across the floor."
"Well, what about that?" asked Rodney again.
"Why, don't you see!" went on Nat in a low voice, just a little bit excited, "these are the same marks. There must have been a rocker pulled along near the weeds."
"But it wasn't this rocker," objected Weezie.
"No, it was Grandma's rocker, I think!" went on Nat. "I wondered, when I saw them, what had made those marks near the weeds. Now I know! It was Grandma's rocker."
"But who would pull her rocker off across the back lots like that?" Addie asked.
Nat looked carefully around the attic before answering. And, when he did, it was in a whisper. He said: