You can’t go wrong with Sinclair Lewis. That is one that I haven’t read so I will check it out.
Obviously, there is nothing involving other humans that is without risk. Plus I have had the luxury of white privilege to insulate me from some potential dangers. But in general, my experience is that people are not a threat, and treating them as such in every situation serves no good purpose. Travel in general exposes one to both good and bad, and on the whole is a net positive for all concerned.