Originally Posted by birdbrainbb
Liz Williams' Detective Inspector Chen books are set in Singapore! They're urban fantasy/sci-fi mysteries, with an interesting blending of magic and "real" life.
Also, I know a couple of Ngaio Marsh's mysteries are set in New Zealand, but her detectives are British so I don't know if that counts. (I also don't think any of her books are available as legal ebooks.)
They are - but geo restrictions - not to USA.