Carolyn Keene
Author
Description
Nancy tackles two interesting mysteries for Cecily, a friend she just met. One involves Cecily's fianc and the other a family treasure.
When Nancy Drew sets out to solve the mystery of a hidden family treasure for her friend Cecily Curtis at Misty Lake, she encounters strange aparitions and a haunted house.
Author
Description
Teenage detective Nancy Drew uses her courage and powers of deduction to solve the mysterious happenings in an old stone mansion. She recieved a phone call from her friend, Helen Corning. Helen says they were robbed, heard thumps in the night, and have heard strange music when no one has turned on the radio Helen begs Nancy to come to Twin Elms and try to solve the mystery.