I was recently invited to an early showing of The Silence, based on Jan Costin Wagner's novel Silence. Unfortunately I couldn't attend but it is now on at a couple of cinemas in London: the Odeon in Panton Street and the Greenwich Picture House. I'm not sure if it's on anywhere else at the moment.
Silence is the second book in the Kimmo Joentaa series but for the film the setting has been moved from Finland to Germany.
It's quite a gruelling read, which you can see from the trailer: