Tom Swift and His Air Glider (Illustrated): Seeking the Platinum Treasure

Tom Swift and His Air Glider is the 12th volume in the first Tom Swift series. While testing out one of his many airships, Tom needs to make emergency landing for repairs. He complains of the poor quality platinum used for his magneto, and is overheard by an escaped Russian exile. The man tells Tom of a secret platinum mine, deep in Siberia. The man also explains that his brother is still in exile, and will be more useful in locating the mine. Tom organizes an expedition to save the exile a...