Binti is a novella written by an author of what minority? 
Binti (novel): Binti is a science fiction novella written by Nnedi Okorafor. Nnedi Okorafor: Nnedi Okorafor (full name: Nnedimma Nkemdili Okorafor; previously known as Nnedi Okorafor-Mbachu; born April 8, 1974) is a Nigerian American writer of fantasy, science fiction, and speculative fiction.
i don't know