Mildred A. Wirt Benson (1905-2002) was an American author who left an indelible mark in the world of children’s literature, most notably as the ghostwriter for the majority of the first 30 Nancy Drew novels under the pseudonym Carolyn Keene. Working under the Stratemeyer Syndicate, her contribution to the creation of Nancy Drew, one of the most iconic female characters in children’s books, has been monumental.
Apart from her work on Nancy Drew, Benson contributed to numerous other series, including the Dana Girls, Penny Nichols, Dot and Dash, Honey Bunch, Kay Tracey, and Ruth Fielding, showcasing her versatility and prolific writing skills. She also penned the Penny Parker series under her own name, further solidifying her status as a significant figure in the genre.
Benson’s journey as a published author began in 1927 with the novel “Ruth Fielding and Her Great Scenario,” written under the pseudonym Alice B. Emerson. Her debut under her own name was with the standalone title “The Sky Racers” in 1935, and her final novel was “Kristie at College,” published in 1960. Her career spanned over three decades, during which she captivated young readers with her engaging narratives and strong characters.
Below is a comprehensive list of Mildred A. Wirt’s books, organized in the order of their first publication. This list reflects the breadth and depth of her work, highlighting her significant contributions to children’s literature. Her ability to create compelling stories that have stood the test of time is evident in the enduring popularity of the Nancy Drew series and her other works.
Mildred A. Wirt Benson’s legacy as an author extends beyond the pages of her books. She broke new ground in children’s literature, especially in developing strong, independent female characters at a time when such representations were rare. Her work continues to inspire and entertain new generations of readers, making her a true pioneer in the world of children’s mystery and adventure stories.
Publication Order of Doris Force Books
| Doris Force at Locked Gates / Saving a Mysterious Fortune | (2021) |    |
| Doris Force at Cloudy Cove / The Old Miser’s Signature | (2021) | |
Ruth Fielding Series (as Alice B. Emerson)
- Ruth Fielding and Her Great Scenario (1927)
Nancy Drew Series (as Carolyn Keene)
- The Secret of the Old Clock (1930)
- The Hidden Staircase (1930)
- The Bungalow Mystery (1930)
- The Mystery at Lilac Inn (1931)
- The Secret at Shadow Ranch (1931)
- The Secret of Red Gate Farm (1931)
- The Clue in the Diary (1932)
- Nancy’s Mysterious Letter (1932)
- The Sign of the Twisted Candles (1933)
- The Password to Larkspur Lane (1933)
- The Clue of the Broken Locket (1934)
- The Message in the Hollow Oak (1935)
- The Mystery of the Ivory Charm (1936)
- The Whispering Statue (1937)
- The Haunted Bridge (1937)
- The Clue of the Tapping Heels (1939)
- The Mystery of the Brass-Bound Trunk (1940)
- The Mystery at the Moss-Covered Mansion (1941)
- The Quest of the Missing Map (1942)
- The Clue in the Jewel Box (1943)
- The Secret in the Old Attic (1944)
- The Clue in the Crumbling Wall (1945)
- The Mystery of the Tolling Bell (1946)
- The Clue in the Old Album (1947)
- The Ghost of Blackwood Hall (1948)
- The Clue of the Leaning Chimney (1949)
- The Secret of the Wooden Lady (1950)
- The Clue of the Black Keys (1951)
- Mystery at the Ski Jump (1952)
- The Clue of the Velvet Mask (1953)
Dana Girls Series (as Carolyn Keene)
Note: Only the titles authored by Benson are listed.
- By the Light of the Study Lamp (1934)
- The Secret at Lone Tree Cottage (1934)
- In the Shadow of the Tower (1934)
- A Three-Cornered Mystery (1935)
- The Secret at the Hermitage (1936)
- The Circle of Footprints (1937)
- The Mystery of the Locked Room (1938)
- The Clue in the Cobweb (1939)
- The Secret at the Gatehouse (1940)
- The Mysterious Fireplace (1941)
- The Clue of the Rusty Key (1942)
- The Portrait in the Sand (1943)
- The Secret in the Old Well (1944)
Penny Parker Series (as Mildred A. Wirt)
- Tale of the Witch Doll (1939)
- The Vanishing Houseboat (1939)
- Danger at the Drawbridge (1940)
- Behind the Green Door (1940)
- Clue of the Silken Ladder (1941)
- The Secret Pact (1941)
- The Clock Strikes Thirteen (1942)
- The Wishing Well (1942)
- Saboteurs on the River (1943)
- Ghost Beyond the Gate (1943)
- Hoofbeats on the Turnpike (1944)
- Voice from the Cave (1944)
- Guilt of the Brass Thieves (1945)
- Signal in the Dark (1946)
- Whispering Walls (1946)
- Swamp Island (1947)
- The Cry at Midnight (1947)