There are 100 books in Nancy Drew Mystery Stories Series.
Analysing the books in the series, we estimate that the reading level of Nancy Drew Mystery Stories Series is Grade 8.
The easiest book in the series is Nancy Drew 10: Password to Larkspur Lane (Nancy Drew Mysteries) at 3rd and 4th grade reading level.
The hardest book in the series is The Swami's Ring (Nancy Drew Mysteries Book 61) at 12th and 13th grade reading level.
The Nancy Drew Mystery Stories was the long-running "main" Nancy Drew series, published between 1930 and 2003. Initially, titles were published by Grosset & Dunlap, but with #57 (1979) publication switched to Simon & Schuster.
Other series related to Nancy Drew Mystery Stories Series are Siri Salma , Nancy Drew Files , Nancy Drew: Girl Detective and Nancy Drew Diaries .