There’s nothing like an exotic setting to add a sense of atmosphere, not to mention excitement, to a crime novel. And for many Westerners it doesn’t get much more exotic than Bangkok. It’s an old city that reflects an ancient culture. It’s also located in the central part of Southeast Asia, so it’s a commercial, economic and cultural hub. Bangkok attracts people from all over the world, too, so although the term diverse has become almost a ‘buzzword,’ it really does apply to Bangkok.
Here's a post close to my heart: Margot Kinberg blogs about crime novels set in Bangkok. And yes, Jayne Keeney gets a mention.