A bunch of price drops at Kindle UK, to £0.99 unless otherwise indicated. Probably most/all due to the new monthly sale, although I haven't had time to check for sure...
- The Chalk Circle Man, Commissaire Adamsberg #1, by Fred Vargas: https://www.amazon.co.uk/dp/B00LI559C0
- A Lesson in Secrets, Maisie Dobbs #8, by Jacqueline Winspear: https://www.amazon.co.uk/dp/B0078XFV1U
- The Trinity Six, non-series, by Charles Cumming, £1.49: https://www.amazon.co.uk/dp/B004KPLO3I
- The Forgotten, Peter Decker/Rina Lazarus #13), by Faye Kellerman: https://www.amazon.co.uk/dp/B07CMJKJ55
- The Dying Season, Bruno/Dordogne #8, by Martin Walker: https://www.amazon.co.uk/dp/B00TIKY5IG
- The Outcast Dead, Dr Ruth Galloway #6, by Elly Griffiths: https://www.amazon.co.uk/dp/B00ELIF0UC
Many/most have been on sale before, so check carefully before you buy!