The Dead Ringer, by Fredric Brown (Bantam, 1954).From Ebay.
The Adventure Of The Christmas Pudding, by Agatha Christie (Fontana,
Five Red Herrings, by Dorothy L. Sayers (Four Square, 1962).From
everythingsecondhand: Some Things Fierce and Fatal, edited by
A King By Night, by Edgar Wallace (Arrow, 1961).From a charity
The Ambushers, by Donald Hamilton (Frederick Muller, 1964).From