What are some shows that weren't developed from a book and you'd like to delve further into or get a better understanding of?

Some foreign shows ( Squid Game , Tehran , etc. ) where you have to read subtitles anyhow could be turned into a book and translated.

I actually didn't mind the subtitles in Squid Game but in Tehran its been a little more tedious. Probably because the plot was more easy to follow in Squid Game.