Nancy's Mysterious Letter (Nancy Drew Mystery Stories, Book 8) by Carolyn Keene http://www.amazon.com/dp/0448095084/ref=cm_sw_r_pi_dp_Xmwsvb03ZCFAZ
ND#40. 1963 cover art. When Nancy receives a valuable moonstone as a gift from an unknown person, she is amazed and puzzled. She soon becomes involved in a mystery involving the Bowens and their missing granddaughter which leads Nancy, Bess, and George to Deep River. Investigating the haunted Moonstone Castle leads to a connection between the castle and the mysterious moonstone and the revelation of what happened to Joanie Horton.
Alice au bal masqué : Collection : Bibliothèque verte cartonnée & illustrée de Caroline Quine
Retro - This is where my love for reading really started - Nancy Drew The Haunted Bridge. I read them all!!