Exploring the Blackwell sisters’ allies, enemies, and enduring partnership, Janice P. Nimura presents, in The Blackwell Sisters: How Two Pioneering Sisters Brought Medicine to Women and Women to Medicine, a story of trial and triumph. Together, the Blackwells founded the New York Infirmary for Indigent Women and Children, the first hospital staffed entirely by women. Both sisters were tenacious and visionary, but their convictions did not always align with the emergence of women’s rights—or with each other.