Dance for the Ivory Madonna

In Don Sakers's Dance for the Ivory Madonna, it's 2042, and the U.S. has split into three nations; special interest groups have their own House in Congress; artificial intelligence has kicked humans out of cyberspace; and the African continent, a hotbed of technological advancement, is united under a contract government called Umoja. Making his way through this brave new world is a young African-American operative of a secret organization whose task is to avenge his father's murder and save humankind.