There are 2 books in the Ethical Chiang Mai Detective Agency series.
The Ethical Chiang Mai Detective Agency series does not have a new book coming out soon. The latest book, The Missing Guests of the Magic Grove Hotel (Book 2), was published in December 2017.
The first book in the Ethical Chiang Mai Detective Agency series, Murder at the House of Rooster Happiness, was published in September 2016.
The Ethical Chiang Mai Detective Agency series primarily falls into the Cozy Amateur Sleuth Mystery and Police Procedural genres.