This vintage Nancy Drew mystery story book is titled, "The Secret of Red Gate Farm". It is number 6 in the series by Carolyn Keene. 25 chapters, 208 pages. Dust jacket. Blue tweed cover picturing silhouette of Nancy.  The cover pages picture cover scenes from Nancy Drew book covers/dustjackets. There is some dust jacket edge wear, and a tear broken in spine, tape on the spine inside cover.