The Caves of Steel The Robot Series

New York in the future where cities are built underground. Robots have positronic brains engraved with 3 laws: 1. A robot may not injure a human being or, through inaction, allow a human being to come to harm. 2. A robot must obey the orders given to it by human beings, except where such orders would conflict with the First Law. 3.A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws. Police detective Elijah Baley must learn to work together with such a robot, R. Daneel Olivaw.