This inspiring autobiography tells the remarkable true story of Katherine Johnson, a brilliant mathematician who overcame racial and gender barriers to help NASA send astronauts to the moon. Through her own words, readers follow her journey from a gifted child in West Virginia to becoming one of the 'human computers' whose precise calculations were critical for America's early space missions. The book highlights her perseverance, love of learning, and vital role in the success of projects like John Glenn's orbit and the Apollo moon landing.