Here are some of her well-known works:
For Adults:
* The Charm of the Mountains: This was her first novel, published in 1922. It's set in the Appalachian Mountains and focuses on a young woman named Nancy who must choose between love and duty.
* The Gentlewoman: This novel was published in 1932 and tells the story of a young woman who defies societal expectations and travels to the American West to pursue her own dreams.
* The Little Brown House: This novel was published in 1937 and centers around a young woman who discovers her own strength and independence while fighting to save her family's home.
For Young Adults:
* The Story of Mary, Queen of Scots: This was a popular biography of Mary, Queen of Scots, first published in 1932.
* The Story of Florence Nightingale: This is a biography of the famed nurse, first published in 1935.
* The Story of Pocahontas: A biography of the Native American woman, first published in 1935.
Other Works:
* The White Mountains: A historical novel set in the White Mountains of New Hampshire.
* The Green Stone: A romantic novel set in the 1800s.
Clark's work is known for its detailed historical accuracy, strong female characters, and engaging storytelling. If you're interested in historical fiction or biographies, her work is definitely worth exploring.