Danger at the Drawbridge

Hint: You can preview this book by clicking on "Preview" which is located under the cover of this book. About the author: Mildred Augustine Wirt Benson (July 10, 1905 – May 28, 2002) was an American journalist and author of children's books. She is best remembered for writing some of the earliest Nancy Drew mysteries and for creating the detective's adventurous personality. Benson wrote under the Stratemeyer Syndicate pen name, Carolyn Keene, from 1929 to 1947 and contributed to 23 of the first 30 originally published Nancy Drew mysteries which became bestsellers.Benson was born Mildred Augustine in Ladora, Iowa to Lillian and Dr. J. L. Augustine. Benson earned her degree in English from the University of Iowa in 1925. She later returned to the University and in 1927, became the first student there to earn a master's degree in journalism. She was married to Asa Wirt, who worked for the Associated Press. Excerpt from: https://en.wikipedia.org/wiki/Mildred_Benson