"Alastair Mars" . . . "Mars, Alistair" . . . . . "HMS Thule" . "HMS Unbroken" . . "1932" . . . . . . . . "1915" . . . . . . . "United Kingdom" . "autobiographies and novels." . . . . . . . . . "Alastair Mars" . "1985" . . . . "1952" . .