Reddit reviews Secrets Of New York: A Mythos Guide to the City That Never Sleeps (Call of Cthulhu Horror Roleplaying)
We found 1 Reddit comments about Secrets Of New York: A Mythos Guide to the City That Never Sleeps (Call of Cthulhu Horror Roleplaying). Here are the top ones, ranked by their Reddit score.
https://www.amazon.com/gp/aw/d/1568821808/
There is also one for San Fransisco, Morocco, and other cities. You could also look at Gaslight which focuses on late 1800s London (at least I think it is London, I haven't actually read it).