Reddit reviews S.T.A.L.K.E.R. Northern Passage: The sequel to S.T.A.L.K.E.R.: Southern Comfort
We found 2 Reddit comments about S.T.A.L.K.E.R. Northern Passage: The sequel to S.T.A.L.K.E.R.: Southern Comfort. Here are the top ones, ranked by their Reddit score.
Here
https://www.amazon.com/S-T-L-K-R-Northern-Passage/dp/1466473398
https://www.goodreads.com/book/show/12549690-s-t-a-l-k-e-r-southern-comfort
For the official ones:
http://litstalker.ru/
Also, S.T.A.L.K.E.R: Northern Passage for the followup. I like the writer of the series, he's nice to get to know in the STALKER community, but I fucking couldn't stand Tarasov or Nooria at all.