Award-winning author Tonya Bolden explores Black women who have changed the world of STEM (Science, Technology, Engineering, and Mathematics) in America. Including groundbreaking computer scientists, doctors, inventors, physicists, pharmacists, mathematicians, aviators, and many more, this book celebrates more than 50 women who have shattered the glass ceiling, defied racial discrimination, and pioneered in their fields. In these profiles, young readers will find role models, inspirations, and maybe even reasons to be the STEM leaders of tomorrow. These stories help young readers to dream big and stay curious. The book includes endnotes, a bibliography, and an index.