What happens when a robot begins to question its creators? What would be the consequences of creating a robot with a sense of humour? Or the ability to lie? How do we truly tell the difference between man and machine?In I, Robot, Asimov sets out the Three Laws of Robotics - designed to protect humans from their robotic creations - and pushes them to their limits and beyond.Following genius robopsychologist Dr. Susan Calvin and engineers Powell and Donovan, these short stories helped to transform artificial intelligence from a dream into a science and changed perceptions of robots for ever.