"Gracious, but he can ride!" was Tom's comment. "That mare is a peach!"
"Another mystery," came from Dick. He gazed at the board on the wall.
"Do you know what I think?"
"What?" asked Songbird.
"That is an out-and-out warning—"
"Sure."
"A warning meant for just such persons as ourselves."
"You mean it is a warning to keep away from Red Rock ranch?" asked Sam.
"I do. And I think that fellow was on guard, just as the old man was on that other road."
"If he was, why didn't he stop us, then?"
"Because we took him unawares, and because he saw that we were too many for him."