The Mercenaries, by Donald Westlake, UK book cover (1961)Cover: Denis McLoughlin
Source: Existential Ennui (visit them to see a huge collection of British book cover designs of the 1950s and 60s)

The Mercenaries, by Donald Westlake, UK book cover (1961)
Cover: Denis McLoughlin

Source: Existential Ennui (visit them to see a huge collection of British book cover designs of the 1950s and 60s)