Antarctic storms and ruthless scientific enemies stalk Tom Swift and his latest invention, an atom-powered tunneling machine designed to penetrate the hidden depths of the earth.When Tom proposes to drill for valuable molten iron at the South Pole, even his closest friends raise their eyebrows. But Tom's enemies, agents of a foreign power, turn the bold project into a race with death. With his pals Bud Barclay and Chow Winkler and a group of top-flight...