Jacqueline Winspear (Maisie Dobbs)
Donna Leon (Brunetti series)
David Hewson (Nic Costa series)
Elizabeth Peters (Amelia series)
Robert Gott (William Power Mysteries)
Stella Rimington (Liz Carlyle)
Peter Klein (Punter)
Geoffrey McGeachin (Charlie Berlin)
Oh my, that's all I can remember at the moment, but I know there are more.