Working mostly alone, almost single-handedly writing 250,000 lines of computer code, Steve Grand produced Creatures(R), a revolutionary computer game that allowed players to create living beings complete with brains, genes, and hormonal systems--creatures that would live and breathe and breed in real time on an ordinary desktop computer. Enormously successful, the game inevitably raises the question: What is artificial life? And in this book--a chance for the devoted fan and the simply curious onlooker to see the world from the perspective of an original philosopher-engineer and...