What literary genre did Nikki Giovanni do most?

Nikki Giovanni is primarily known for her work in poetry. She is considered one of the most prominent figures in contemporary American poetry, and her work has been widely celebrated and anthologized. Giovanni has published over 20 collections of poetry, including her debut, "Black Feeling, Black Talk" (1968), as well as notable works such as "My House" (1972), "Cotton Candy on a Rainy Day" (1978), and "The Collected Poetry of Nikki Giovanni" (2006).