[ZeroGravitas]

I read this via this SF Masterworks series and I've enjoyed most that I've picked up:

https://en.m.wikipedia.org/wiki/SF_Masterworks

Richard Mathesson books are good, I think I am Legend is the one I read first and then started looking out for others in this series.

Swastika Night was probably the most mind-blowing.

https://en.m.wikipedia.org/wiki/Swastika_Night