Stupid Comics, as opposed to stupendous ones like Epileptic (which I’ve just finished reading—thanks for the tip, Bill).
How Comic Cartoons Make Fortunes, from Modern Mechanix 1933. May explain the rise in stupid comics, above.
Ronald Searle book covers. Grate stuff as any fule kno.
Penguin 1960s book covers. (Via MeFi, like half of these links if only I could remember.)