Charlotte Perkins Gilman 
Herald [EPUB ebook] 

In the perfect isolation of the Amazon, three American men discover a community of women living there, they’re totally upset: how these women can survive without the reproductive power of men, their experience and strenght and knowledge?
The three man then understand that the women have found a civilization free from poorness, disease and stereotipycal tradition. All by themselves they have created a society full of calm and prosperity: a real feminist utopia that can threaten away the old and abused concept of male supremacy