Not a place such as the driver's seat of a vehicle in traffic, or anyplace where you would be operating machinery or likely to cause a danger to others. But, you are free to choose from a great many other places depending on your preferences and requirements. Many people like to read in comparatively quiet spots--public libraries are traditional and popular. The big yellow dog story you mention may be in some collection or other, or not, I don't recall.
I believe it's in """"Fish Whistle"""" -- Ed.