A Dana Girls Mystery picture cover book "The Secret At The Gatehouse" written by Carolyn Keene. This book is number 9 in the series. Published by Grosset & Dunlap, copyright 1940.
" The adventures of resourceful Louise Dana and her irrepressible sister Jean are packed with thrills, excitement and mystery."
216 page hard cover book in good condition with no rips, tears, or writing.