A couple of Joffe onibuses that caught my eye are on sale. In each case I've read and liked at least a couple of books by the author, usually in DTB. And these are a nice way to pick up several more. Of course, YMMV...
The Bea Abbot Agency Mysteries, Books 1-5, by Veronica Heley, which contains:
False Charity,
False Picture,
False Step,
False Pretences, and
False Money
Kindle US, $1.99:
https://www.amazon.com/dp/B0D4VJ7G58
Kindle UK, £1.99:
https://www.amazon.co.uk/dp/B0D4VJ7G58
The Peter Maxwell Mysteries, Books 1-8, by MJ Trow, which contains:
Maxwell’s House,
Maxwell’s Flame,
Maxwell’s Movie,
Maxwell’s War,
Maxwell’s Ride,
Maxwell’s Curse,
Maxwell’s Reunion, and
Maxwell’s Match
Kindle US, $1.99:
https://www.amazon.com/dp/B0DSWJLLWV
Kindle UK, £0.99:
https://www.amazon.co.uk/dp/B0DSWJLLWV