Artificial intelligence. AI. The spark that brings about the robot apocalypse. In fiction, AIs always have weaknesses: they're vulnerable to logical paradoxes, back door viruses and pesky EMP blasts. Real AIs would have no such comforting limitations: deft at parsing speech, clever at closing their own loopholes, and secured in military-hardened housings, a true general artificial intelligence would prove a difficult challenge to defeat ... even to its own designer.

Written by a PhD in artificial intelligence, "Sibling Rivalry" tells the story of the Nicole AI system, the...