Lauren Beukes's frighteningly persuasive, high-tech fable follows four narrators living in a dystopian near-future. Kendra, an art-school dropout, brands herself for a nanotech marketing program. Lerato, an ambitious AIDS baby, plots to defect from her corporate employers. Tendeka, a hot-headed activist, is becoming increasingly rabid. Toby, a roguish blogger, discovers that the video games he plays for cash are much more than they...