1966 Nancy Drew Double Mystery: 99 Steps & The Clue in the Crossword Cipher

Double mystery Nancy Drew hardcover book by Carolyn Keene. This book contains two stories: The Mystery of the 99 Steps and The Clue In The Crossword Cipher. Good, gently used condition with a wording stenciled inside front, and signed inside back, some separation at front cover and typical shelf wear. No loose pages or marks on cover. Grosset & Dunlop, 1966. All vintage and antique books are shipped in appropriate clean packaging. Bagged to protect from the elements, boarded to protect edges while in transit. All packaging will be clean and some may be reused to reduce environmental waste. 1379