Give Unto Others is currently the most recent in Donna Leon's awesome IMO Guido Brunetti series, at least until the new one comes out next March. It's £0.99 at Kindle UK right now, as part of today's Daily Deal. I haven't yet seen it on sale in the US.
Kindle UK:
https://www.amazon.co.uk/dp/B09DP8YKJK
Kindle UK/Smile:
https://smile.amazon.co.uk/dp/B09DP8YKJK
(I had a review copy of this a while back, and really liked it. If you want to read my review, the URL for my blog is in my signature...)