Always nice to see recent books go on sale at a good price!
The Lost Boys, Peter Decker/Rina Lazarus #26, by Faye Kellerman: https://www.amazon.co.uk/dp/B085WVFHR3
Midnight at Malabar House, most recent (and first) in Vaseem Khan’s Malabar House, although a new one is due in July: https://www.amazon.co.uk/dp/B081SK1S7K
The Custom House Murders, Captain Lacey #15, by Ashley Gardner (pen name for Jennifer Ashley): https://www.amazon.co.uk/dp/B08CVSS6FC
Fair Warning, Jack McEvoy/Rachel Walling #3, by Michael Connelly: https://www.amazon.co.uk/dp/B081ZWNLQ2