In 1943, noted philosopher Jean-Paul Sartre released what is commonly considered his most influential existential philosophical work, a monolithic 722-page tome bearing the equally weighty title of Being and Nothingness: An Essay on Phenomenological Ontology.
One might expect that, with that name and that subject matter, the book would be nigh unknown to the general public, likely only finding an avid audience in tweed-wearing, high-thinking, pipe-smoking professorial types frequenting smoky salons, quaint libraries, and lecture halls — and yet, Being and Nothingness was (relatively) a runaway success upon publication, gaining purchase even among grocers and shopkeepers, and most notably, women*.
What peculiar reason caused the unforeseen popularity and amazing sales of this book?