Inventors 202 History 192 Women 133 Air pilots 119 Astronauts 109 JUVENILE NONFICTION 79 Women air pilots 70 more ... Biography & Autobiography 65 Aeronautics 64 African Americans 62 Photographers 62 Women astronauts 50 Biography 46 Inventeurs 45 Histoire 42 Electrical engineers 41 General 41 Inventions 30 African American inventors 26 Astronautes 26 Women photographers 25 Fashion designers 23 Technology 23 African American women astronauts 22 Pilotes d'aéronef 21 Juvenile literature 20 Cooks 19 Science & Technology 19 Women inventors 19 African American women air pilots 17 less ...