Cotton Malone searches for the truth about his father's death, joining forces with twin sisters whose father died on the same Antarctica-bound submarine as his father, and learning that the Nazis explored Antarctica before the Americans by using strange clues found in Charlemagne's tomb -- information that certain people want to keep secret.
ISBN: 9780739326992 (pbk.)
ISBN: 0739326996 (pbk.)
Physical Description:736 p. : ill., map ; cm.
Edition:1st large print ed. --
Publisher:New York : Random House Large Print, c2008.