June 1978 jumbo mass market paperback, Don Robertson (The Greatest Thing Since Sliced Bread: A Novel). "Miss Margaret Ridpath, raised in a midwest world of rigid proprieties and repressed passions . . . learning of sensual love in the arms of another woman's husband . . . facing the searing trials of life with courage and pride . . . and moving toward confrontation with the forces of sick violence and anarchic sexuality of an America grown savage in the 70's." - Amazon
Used availability for Don Robertson's Miss Margaret Ridpath and the Dismantling of the Universe