Complex sentence: On the invitation of her friend, novelist John Killens, she becomes a member of the Harlem Writers Guild, where she meets other important African-American artists and writers, including James Baldwin, who would become her mentor.
Split into simpler sentences: On the invitation of her friend, novelist John Killens, she becomes a member of the Harlem Writers Guild. She meets other important African-American artists and writers, including James Baldwin, who would become her mentor.