(Uncredited cover for the 1959 edition of We Who Survived (1959), Sterling Noel)
One of many ways science fiction authors speculate about the end (or beginning of the end/or an apocalyptic hurdle) of the human race is the coming of an Ice Age. Such an occurrence (induced by us or the arrival of a natural cycle) would cover our cities with layers of ice -- conjure the disturbing images from Gilliam's film
Brrrrrilliant covers!!
