Killer On The Catwalk, by Judson Philips (Four Square, 1964).From
The Dead Ringer, by Fredric Brown (Bantam, 1954).From Ebay.
N Or M? by Agatha Christie (Pan, 1961). From a charity shop
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