For the fiftieth anniversary of Sputnik, the behind-the-scenes story of the fierce battles on earth that launched the superpowers into space ? The spy planes were driving Nikita Khrushchev mad. Whenever America wanted to peer inside the Soviet Union, it launched a U-2, which flew too high to be shot down. But Sergei Korolev, Russia's chief rocket designer, had a riposte: an artificial satellite that would orbit the earth and cross American skies at...