I read the book as a kid in the 70's, the same decade that all the fun stuff like Mutually Assured Destruction was an ongoing thing. I seem to remember being fa

I read the book as a kid in the 70's, the same decade that all the fun stuff like Mutually Assured Destruction was an ongoing thing. I seem to remember being fairly distressed and mentally exhausted by the end of it. However the upside was becoming aware of how humans were slowly and inexorably ruining our planet.