Conversation so far:
What is Susan Glaspell's legacy?
Glaspell was highly regarded in her time, and was well known as a Pulitzer Prize-winning playwright.
What is said of Susan Glaspell's books?
Her short stories were regularly printed in the era's top periodicals, and her New York Times obituary states that she was one of the nation's most widely-read novelists.“
What were Susan Glaspell's books about?
To most readers Susan Glaspell (1876-1948) is still known primarily as the author of Trifles.

Question: What else did she do?
Self-contained rewrite: What else did Susan Glaspell do?