A riveting history of the American West told for the first time through the pioneering women who used the challenges of migration and settlement as opportunities to advocate for their rights, and transformed the country in the process. Drawing on an extraordinary collection of research, including personal letters and diaries, Gallagher weaves together the striking achievements of those who not only created homes on weather-wracked prairies and built communities in muddy mining camps, but played a crucial, unrecognised role in the women's rights movement.