As a child, former Justice Department agent Cotton Malone was told that his father died in a submarine disaster in the North Atlantic. But what he now learns stuns him: His father’s sub was a secret nuclear vessel lost on a highly classified mission beneath the ice shelves of Antarctica.

Twin sisters Dorothea Lindauer and Christl Falk are also determined to find out what became of their father, who died on the same submarine–and they know something Malone doesn’t: Inspired by strange clues discovered in Charlemagne’s tomb, the Nazis explored Antarctica before the Americans. Now Malone discovers that cryptic journals penned in “the language of heaven,” conundrums posed by an ancient historian, and his father’s ill-fated voyage are all tied to a revelation of immense consequence for humankind. As Malone embarks on a dangerous quest with the sisters, he will finally confront the shocking truth of his father’s death and the distinct possibility of his own.


From the Paperback edition.
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