1792. As a child, Mary Wollstonecraft longed to disappear during her father's violent rages. Instead, she transforms herself into the radical author of the landmark volume A Vindication of the Rights of Woman, in which she dares to propose that women are equal to men. Mary refuses to bow to society's conventions and instead supports herself with her pen until an illicit love affair challenges her every belief about romance and marriage. 1818. The daughter of infamous political philosopher Mary Wollstonecraft, passionate Mary Shelley learned to read by tracing the letters of her mother's tombstone. Mary struggles to balance an ever-complicated marriage with motherhood while nursing twin hopes that she might write something of her own one day and also discover the truth of her mother's unconventional life. Mary's journey will unlock her mother's secrets, all while leading to her own destiny as the groundbreaking author of Frankenstein. A riveting and inspiring novel about a firebrand feminist, her visionary daughter, and the many ways their words transformed our world.