Billman, Carol. The Secret of the Stratemeyer Syndicate: Nancy Drew, the Hardy Boys, and the Million Dollar Fiction Factory. New York: Ungar Publishing Company, 1986.
Caprio, Betsy. The Mystery of Nancy Drew: Girl Sleuth on the Couch. Trabuco Canyon, CA: Source Books, 1992.
Carpentieri, Tony, with Paul Mular. Hardy and Hardy Investigations. Rheem Valley, CA: SynSine, 1997.
Cart, Michael. From Romance to Realism: Fifty Years of Growth and Change in Young Adult Literature. New York: HarperCollins, 1996.
Connelly, Mark. The Hardy Boys Mysteries, 1927-1979: A Cultural and Literary History. Jefferson, NC: McFarland, 2008.
Cornelius, Michael G., and Melanie E. Gregg, eds. Nancy Drew and Her Sister Sleuths: Essays on the Fiction of Girl Detectives. Jefferson, NC: McFarland, 2008.
Craig, Patricia, and Mary Cadogan. The Lady Investigates: Women Detectives & Spies in Fiction. New York: St. Martin’s Press, 1981.
Crawford, Robert L. The Lost Hardys: A Concordance. Thomasville, GA: R.L. Crawford, 1993.
Dizer, John T. Tom Swift & Company: Boys’ Books by Stratemeyer and Others. Jefferson, NC: McFarland, 1982.
—. Tom Swift, the Bobbsey Twins and Other Heroes of American Juvenile Literature. Studies in American Literature 25. Lewiston, NY: Edwin Mellan Press, 1997.
Dunning, Stephen, and Henry B. Maloney, comps. A Superboy Supergirl Anthology: Selected Chapters from the Earlier Works of Victor Appleton, Franklin W. Dixon, and Carolyn Keene. New York: Scholastic Book Services, 1971.
Dyer, Carolyn Stewart, and Nancy Tillman Romalov, eds. Rediscovering Nancy Drew. Iowa City: University of Iowa Press, 1995.
Farah, David. Farah’s Guide. Sunland, CA: Farah’s Books, 1994.
—. Farah’s Price Guide to Nancy Drew Books and Collectibles. 7th ed. N.p.: n.p., 1990.
Farah, David, and Ilana Nash. Series Books and the Media; or, This Isn’t All: An Annotated Bibliography of Secondary Sources. Rheem Valley, CA: SynSine, 1996.
Fisher, Jennifer, comp. Clues for Real Life: The Classic Wit & Wisdom of Nancy Drew. Des Moines, IW: Meredith Books, 2007.
Garis, Roger. My Father Was Uncle Wiggily. New York: McGraw-Hill, 1966.
Girls Series Books: A Checklist of Titles Published 1840-1991. Minneapolis: University of Minnesota Libraries, Children’s Literature Research Collections, 1992.
Greenwald, Marilyn. The Secret of the Hardy Boys: Leslie McFarlane and the Stratemeyer Syndicate. Athens: University of Ohio Press, 2004.
Helmes, Amy. Get a Clue: Life Wisdom from Nancy Drew. Kennebunkport, ME: Cidermill Press Book Publishers, 2007.
Herz, Peggy. Nancy Drew and the Hardy Boys. New York: Scholastic, 1977.
Johnson, Deidre. Edward Stratemeyer and the Stratemeyer Syndicate. Twayne’s United States Authors Series 627. New York: Twayne Publishers, 1993.
—, comp. and ed. Stratemeyer Pseudonyms and Series Books: An Annotated Checklist of Stratemeyer and Stratemeyer Syndicate Publications. Westport, CT: Greenwood Press, 1982.
Kismaric, Carole, and Marvin Hieferman. The Mysterious Case of Nancy Drew and the Hardy Boys. New York: Fireside/Simon & Schuster, 1998.
Lange, Brenda. Edward Stratemeyer, Creator of the Hardy Boys and Nancy Drew. Who Wrote That? Philadelphia: Chelsea House Publishers, 2004.
Mason, Bobbie Ann. The Girl Sleuth: A Feminist Guide. Old Westbury, NY: The Feminist Press, 1975.
McFarlane, Leslie. Ghost of the Hardy Boys: An Autobiography. Toronto: Methuen Publications, 1976.
Nash, Ilana. American Sweethearts: Teenage Girls in Twentieth-Century Popular Culture. Bloomington: Indiana University Press, 2006.
Plunkett-Powell, Karen. The Nancy Drew Scrapbook. New York: St. Martin’s Press, 1993.
Prager, Arthur. Rascals at Large; or, The Clue in the Old Nostalgia. Garden City, NY: Doubleday, 1971.
Rehak, Melanie. Girl Sleuth: Nancy Drew and the Women Who Created Her. New York: Harcourt, 2005.
Romalov, Nancy Tillman, ed. “Nancy Drew.” Special issue of The Lion and the Unicorn 18.1 (1994). See individual entries on the scholarship page.
Turner, Mark. Hardy Boys. TV and Movie Tie-Ins. Mankato, MN: Creative Education, 1979.
Warner, Penny. The Official Nancy Drew Handbook: Skills, Tips & Life Lessons from Everyone’s Favorite Girl Detective. Philadelphia: Quirk Books, 2007.