While watching Star Trek on television as a child, Mae Jemison was certain she would one day visit space. As an adult, she made this dream a reality when she became the first black female NASA astronaut. Jemison became a medical doctor before applying for NASA's Space Shuttle program. Then, in 1992, she blasted off on the shuttle Endeavour and conducted scientific experiments to test the effects of space on human bone cells. Jemison has dedicated her life to science education and to finding ways to use technology to help communities around the world. Find out how Jemison's passion for science led to her many impressive achievements. Allison Lassieur has written more than 100 books on many topics, including history, biography, science, and current events. She has also written fiction novels and short stories, puzzles, and activities. When she isn't busy writing, Allison enjoys knitting, spinning, and reading good novels. Allison lives in Trenton, Tennessee with her husband, daughter, and a houseful of pets.