...continued
Reconstruction, a non-series title by Mick Herron:
https://www.amazon.co.uk/dp/B01KTS4XPK
Wrecked, third in the IQ series by Joe Ide, possibly on sale due to the next title in the series coming out early next year:
https://www.amazon.co.uk/dp/B07CL1JR4C
Island of the Mad, £1.79, most recent (2018) in the Mary Russell/Sherlock Holmes series by Laurie R. King, finalist for a couple of awards, I was really happy to see this one on sale:
https://www.amazon.co.uk/dp/B075G49ZM1
Cold Case, Bob Skinner # 30, by Quintin Jardine:
https://www.amazon.co.uk/dp/B075QTGZH2
Under Attack, £1.79, Home Front Detective # 7, by Edward Marston:
https://www.amazon.co.uk/dp/B071J4GZP6
An Incomplete Revenge, fifth in the Maisie Dobbs series by Jacqueline Winspear:
https://www.amazon.co.uk/dp/B009P4A6SS