Uwem Akpan's stunning stories humanize the perils of poverty and violence so piercingly that few readers will feel they've ever encountered Africa so immediately. The eight-year-old narrator of "An Ex-Mas Feast" needs only enough money to buy books and pay fees in order to attend school. Even when his twelve-year-old sister takes to the streets to raise these meager funds, his dream can't be granted. Food comes first. His family lives in a street...