Paperback

Nina Bawden

The Odd Flamingo

British Library Crime Classics 141

Various

The Official Agatha Christie Puzzle Book

Various

The Official Poirot Puzzle Book

Joseph Finder

The Oligarch's Daughter

Doug Johnstone

The Opposite of Lonely

The Skelfs 5

Sophie Hannah

The Opposite of Murder

Daniel Silva

The Order

Gabriel Allon 20

Doug Johnstone

The Ossians

Andrea Camilleri

The Other End of the Line

Inspector Montalbano 24

Charlotte Vassell

The Other Half

C.B. Everett

The Other People

Daniel Silva

The Other Woman

Gabriel Allon 18

J R Ellis

The Otley Murders

Jim Oldroyd (Yorkshire Murder Mystery) 11

Elly Griffiths

The Outcast Dead

Ruth Galloway 6

Jane Casey

The Outsider

Andrea Camilleri

The Overnight Kidnapper

Inspector Montalbano 23