"You're the most casual person I ever knew, Penelope Nichols. Didn't that warning give you the creeps?"
"To tell you the truth I didn't think much about it. The man would be miles from here by this time."
Nevertheless, as she turned the car into the gravel driveway, Penny's keen gaze swept the dark grounds.
Susan likewise surveyed the yard anxiously. Suddenly she uttered a low cry, nervously clutching her companion's arm.
"I saw a shadow just then!" she whispered tensely. "I do believe someone is hiding in the lilac bushes!"
CHAPTER II
Inside the Trunk
Penny instantly halted the car on the driveway, peering in the direction which her chum indicated.
"I don't see anyone," she insisted. "Perhaps the shadow you saw was caused by that big tree."