You can read a new 32,000 word novella by Nnedi Okorafor in the fall edition of Subterranean.
Here's the blurb:
Grown in Tower 7 with a variety of other genetic experiments, an accelerated woman with unusual abilities has a rude awakening and finally begins to yearn for freedom. Nonetheless, obtaining that freedom comes with a heavy, highly destructive price. 'African Sunrise' has four parts: Specimen (previously published as 'The Book of Phoenix'), Beacon, Reaper and Villain. A riot of science fiction and fantasy and set in both a future United States and a future Africa, 'African Sunrise' features the rise of another of World Fantasy Award winner Nnedi Okorafor’s powerful characters.