We found 4 Reddit comments about Green Mars (Mars Trilogy Book 2). Here are the top ones, ranked by their Reddit score.
Also, the second book of the series, Green Mars, is on sale ($5.99) :https://www.amazon.com/dp/B000QCS91E
If you like hard sci-fi and haven't read the Mars Trilogy by Kim Stanley Robinson - I can't recommend it strongly enough. It's actually what got me into KSP, because after reading it I was just desperate to explore space.
Here you go:
Fulfilled: Kim Stanley Robinson (plus two or three more). And, to be more directly Marxist, his thesis advisor Fredric Jameson.