What do the most ravishingly beautiful actress of the 1930s and '40s and the inventor whose concepts were the basis of cell phone and Bluetooth technology have in common? They are both Hedy Lamarr, the glamour icon whose ravishing visage was the inspiration for Snow White and Cat Woman and a technological trailblazer who perfected a radio system to throw Nazi torpedoes off course during WWII.

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"The latest by prolific children's book author Jan Wahl, Hedy and her Amazing Invention teaches kids about the pioneering scientific work and inspiring courage of Hedy Lamarr, the famous Hollywood actress who fought against old-fashioned parents, a domineering husband, prejudice, and stereotypes to become an accomplished inventor whose work helped pave the way for many of the communications technologies we enjoy today" -- Amazon.com.

Hedy Lamarr became a movie legend, but her true loves were always science and engineering. During World War II, Hedy collaborated with another inventor on an innovative technology called frequency hopping. It was designed to prevent the enemy from jamming torpedo radio signals and commanding weapons to go off course. Frequency hopping is still used today to keep our cell phone messages private and defend our computers from hackers. In this biography,...