Create a computer with mathematician Ada Lovelace. Design a robot with engineer Cynthia Breazeal. And help others with Rebecca Lee Crumpler, the first African American woman to become a doctor of medicine. Featuring 25 inspiring tales of determination and discovery, these mini biographies highlight women in science, technology, engineering, and math. Read about how these women solved problems, made incredible breakthroughs, and paved the way for future scientists everywhere.