Double Trouble

Libby put the telephone receiver down with a clatter. What a strange phone call! 'Libby, ' a frantic voice had whispered, 'I have to see you and talk to you.' And then the caller had been cut off!Libby shivered a little and took a deep breath. She wouldn't let herself be scared. The call had probably been a joke. It was nothing to worry about.But Libby was wrong. That strange phone call was the beginning of the most dangerous adventure Libby had ever had to face--one that threatened to tear her away from her new family forever.