[3] Zepeda is the editor for Sun Tracks, a series of books that focuses on the work of Native American artists and writers, published by the University of Arizona Press.
[4] Zepeda is a professor of linguistics at the University of Arizona and is well-known for her efforts in the preservation of and promotion of literacy in Tohono O'odham.
She is the author of A Papago Grammar and co-author of the article "Derived Words in Tohono O'odham", published in the International Journal of American Linguistics.
[8] In 1995 she published a book of poetry, Ocean Power: Poems from the Desert, and she titled the introduction, "Things That Help Me Begin to Remember".
[9] She was a member of the literary advisory committee for Sun Tracks, a publishing program featuring Native American works, and is the series editor.