CHAPTER XVI

THE STRANGER Nancy Drew, hoping that she had hit upon a genuine clue at last, determined to lose no time in gathering evidence concerning Mary Mason. Yet, in considering her next move she scarcely knew how to proceed. Probably it would prove futile to question the girl, but she decided to try the method at last. Deciding not to wait until after luncheon, she hurried out to her roadster. She started the motor, but before she could pull away Mrs. Carter thrust her head out of the front window and called to her. “Miss…