British Mysteries   

Margery Allingham -Albert Campion

M.C. Beaton --Hamish Macbeth and Agatha Raisin series

Stephen Booth --Ben Cooper and Diane Fry series

G.K. Chesterton - Father Brown

Agatha Christie - Jane Marple, Hercule Poriot

Lindsey Davis - 

Colin Dexter- Inspector Morse

Peter Dickinson

Caroline Graham- Chief Inspector Barnaby

Martha Grimes --Richard Jury series

Reginald Hall

P.d. James --Adam Dalgliesh series

Iain Pears - Johnathan Argyll series and others

Val McDermid

Ruth Rendell--Inspector Wexford

Peter Robinson --Inspector Banks

Dorothy Sayers--Lord Peter Wimsey

Minette Walters -