Nancy Drew is a fictional character. She is the main character in a series of chapter books called Nancy Drew Mystery Stories. Her books were written in the 1930s by Edward Stratemeyer, founder of the Stratemeyer Syndicate. The first writings in The Nancy Drew Mystery Stories were written by Mildred A. Wirt Benson, and changed by Harriet Adams, Edward's daughter. Nancy Drew's birth year is 1914 and she is 18 years old in the books.