“But, why you, Herr Haller?”
“Ah, you see, Constable, Aaron and I had met a year previous to his seeking me out last year. I am regarded as something of an authority on the history of the war at sea during World War Two,” and he reached one arm out from his chair towards the bookcase which stood close enough for him to pull a book from the top shelf, which he passed across to the detective. McLennan read the title, A History of Naval Warfare in the Hitler Years, and waited for Haller to explain.
In excellent English, Haller went on, “He was writing a paper about the events leading up to the sinking of the Deutschland class heavy cruiser, what you British called a 'pocket battleship' Admiral Graf Spee, under the command of Hans Langsdorff, sunk by the British off Montevideo in the Battle
