Ghost-written by Mildred Wirt Benson as Carolyn Keene. Early printing – lists to Nancy Drew #16, c. 1939. Dana Girls Mysteries #7,Mystery of the Locked Room, c. 1938, early printing.
Dana Girls #7, Mystery of the Locked Room in DJ – Keene, Mildred Wirt, 1938
Ghost-written by Mildred Wirt Benson as Carolyn Keene. Early printing – lists to Nancy Drew #16, c. 1939. Dana Girls Mysteries #7,Mystery of the Locked Room, c. 1938, early printing.
The Mystery Of The Locked Room Carolyn Keene Book Hardcover No DJ Likely 1st Ed.
The Mystery Of The Locked Room Carolyn Keene Book Hardcover With No Dust Jacket. Front list ends with The Mystery Of The Locked Room. Front endpaper has writing on left side of right page with a blue check mark, back endpaper in decent shape.