[sufue]

Babylon Berlin is published by Macmillan in the US, but by Joffe in the UK, where it is free right now. And given the Macmillan thing, I wouldn't expect it to go free in the US anytime soon . So if you live in the UK, or can travel, you may want to pick it up there right now...

Kindle UK: https://www.amazon.co.uk/dp/B0BBS1Q6R2

Originally Posted by sufue

Three historical mysteries from vastly different periods are on sale right now.

Babylon Berlin: first in the Gereon Rath series by Volker Kutscher, $2.99, set in 1929 Berlin, I've wanted to try this series for a while, so I'm happy to see this one on sale
Kindle US: https://www.amazon.com/dp/B075JNYDRJ
Kobo US: https://www.kobo.com/us/en/ebook/babylon-berlin-1

{edited other books}