D. A. Mishani's Inspector Avi Avraham series is discounted in the UK and Europe:
1.
The Missing File £0.99 / €0.99
2.
A Possibility of Violence £1.99 / €1.99
3.
The Man Who Wanted to Know £2.99 / €3.49 (Also discounted to $4.99 in New Zealand)
I read these recently and thought they were superb. They are police procedurals set in Israel.
(Edit: There is a "To be continued" at the end of the first book, but I don't think it is really warranted as the series follows the usual structure for the genre where the case being investigated is fully resolved by the end of each book, and only the part of the story relating to the personal lives of the investigators continues on. The name of one of the main characters is consistently misspelt in the third book, but otherwise the ebook production standard is good.)