The Slave and the Free: Books 1 and 2 of 'The Holdfast Chronicles': 'Walk to the End of the World' and 'Motherlines'

Two popular 1970s novels--Walk to the End of the World and Motherlines--explore the world of Holdfast, where women are Fems enslaved to men, and the land of the Riding Women, where men are only known as a distant threat that exists on the other side of the mountain.