With Larry Niven he has collaborated on a string of bestselling novels, including Lucifer's Hammer, The Mote in God's Eye, Footfall, and many more. He holds advanced degrees in psychology, statistics, engineering, and political science, and has been involved professionally in all these fields. He and his wife live in Los Angeles.

    When the cyborg arrives, she senses a worthy and dangerous opponent--one that's been dead for 800 years...