I definitely remember there being moving walkways in The Robots of Dawn, one of Asimov's later robot-themed books. I only learned just now that they're all part

I definitely remember there being moving walkways in The Robots of Dawn, one of Asimov's later robot-themed books. I only learned just now that they're all part of one series. I think that's what gizmo686 meant by "I Robot books", as opposed to the individual stories within the original book. Luckily, Wikipedia has our backs on this, with a convenient list of works containing moving walkways: http://en.wikipedia.org/wiki/Moving_walkway#Science_fiction http://en.wikipedia.org/wiki/Moving_walkway#Science_fiction