Movie star by day, ace inventor at night: learn about the hidden life of actress Hedy Lamarr! To her adoring public, Hedy Lamarr was a glamorous movie star, widely considered the most beautiful woman in the world. But in private, she was something more: a brilliant inventor. And for many years only her closest friends knew her secret. Now Laurie Wallmark and Katy Wu, who collaborated on Sterling's critically acclaimed picture-book biography Grace...