There was this cool thing publishers used to do for the pocket book edition of "serious" authors- pulp up the material as much as humanly possible. Vladimir Nabokov is a particular victim of this phenomenon- a more stringently literary author is hard to imagine, but you'd never be able to tell from the paperback covers of his work circa 1950-60.
And here we see Pearl S. Buck getting the treatment:
the blurb reads:
A compassionate, revealing novel of deep-rooted conflicts which caused war between men and women as they caused war between the states