Marie Curie was born in Poland in 1867, studied in Paris, and married Pierre Curie in 1895. The couple's pioneering work on the invisible radiation given off by uranium lead to the discovery of radioactivity. Marie later discovered the elements radium and polonium. She died in 1934, following extensive exposure to radioactivity. This lively and engaging biography brings the reader into Marie Curie's world through personal diaries, school reports, family photos, and revealing quotations. She was the first person to receive two Nobel Prizes for science, and her work still influences our understanding of physics, medicine, and chemistry.