Some price drops on some Robert B Parker titles, some written by Parker himself, and some by the various authors who have continued some of his series. Probably mostly/all part of the new monthly deals at Kindle UK.
An omnibus of two early Spenser titles:
Classic Robert B. Parker: Looking for Rachel Wallace and Promised Land, £1.99:
https://www.amazon.co.uk/dp/B007RDB3YU
Widow's Walk, Spenser #29, £1.99:
https://www.amazon.co.uk/dp/B00F21X6DK
Silent Night, Spenser #42, £1.99:
https://www.amazon.co.uk/dp/B00G8OBPLU
Damned if You Do, in the Jesse Stone series as continued by Michael Brandman, £1.99:
https://www.amazon.co.uk/dp/B00KV2UW28
Blind Spot, in the Jesse Stone series as continued by Reed Farrel Coleman, £1.99:
https://www.amazon.co.uk/dp/B013EU2DO8
Colorblind, in the Jesse Stone series as continued by Reed Farrel Coleman, £0.99:
https://www.amazon.co.uk/dp/B07W82BBLP