thought and retraced his steps through the woods until he returned to the other boys, who were getting dressed after their swim.
"I thought automobiles weren't allowed in Willow Grove," he said casually to Chet Morton.
"Neither they are. You have to park just inside the fence."
"Well, somebody brought a car right down into the grove."
"They couldn't. There's no road."
"Well, there's a sort of clearing over there," said Joe, motioning in the direction from which he had just returned. "It looks as if it had been a road at one time."
"That's probably the old creek road. It hasn't been used for years."
"Well, it was used just this week. I saw the marks of an automobile tire over there not ten minutes ago. And it was a mighty peculiar tread, too. Like this—," and Joe commenced to draw a replica of the design in the sand, using a thin stick of wood as a pencil.
Chet Morton stared.
"Why," he exclaimed, "there's only one car in the city has tires like that!"
"Whose car?"
"Mine!" exclaimed Chet, springing to his feet. "Where is this road you found?"
Joe Hardy quickly led the way and all the
