Publication: Privately printed for the Canadian National Railways, nd 1930, NP
First edition. Author's fifth book. Fine in dust jacket. British nuclear submarine heads to the Barents Sea. She's the only submarine that uses the anti-sonar system, code-named "Leopard," which makes her undetectable by her enemies. But sharp eyes have seen her leave port and her enemies are out to destroy her.
Inventory Number: 36277