Penguin Crime 1960
1965. Cover art by Romek Marber
1961 cover by Romek Marber
1964 Cover drawing by Sydney King
1965 Cover designed by Sheila Perry
1961 Cover illustration: by John Sewell
1965
1963 Cover design by John Sewell
1963 Cover design by Edwin Taylor
1965
1963 Cover design by Acey Silliman.
1974 Cover design by Peter Barbieri
Penguin 1967
1965 Cover design by Jozef Gross
Cover by Romek Marber
1964. Cover art by Ursula Noerbel