This is the true story of Raye Montague, a brilliant African American girl who dreamed of becoming an engineer during a time of segregation and sexism. The book follows her journey from seeing a submarine as a young child to facing countless obstacles that tried to block her path. Using her incredible mind for math and relentless determination, Raye revolutionized ship design for the U.S. Navy. Her story is an inspiring testament to how perseverance and intelligence can change the world.