Klucz do Rebeki
At the bottom of the half-burned pile was a book, a novel in English.Vandam frowned. He opened the book and read the first line: "Last night Idreamt I went to Manderley again." The book was called Rebecca, and it wasby Daphne du Maurier. The title was vaguely familiar. Vandam thoughthis wife might have read it. It seemed to be about a young woman livingin an English country house.Vandarn scratched his head. it was, to say the least, pecu~ Iiarreadingfor the Afrika Korps.And why was it in English?It might have been taken from a captured English soldier, but Vandamthought that unlikely: in his experience soldiers read pornography,hard-boiled private eye stories and the Bible. Somehow he could notimagine the Desert Rats getting interested in the problems of themistress of Manderley.No, the book was here for a purpose, What purpose? Vandam could think ofonly one possibility: it was the basis of a code.A book code was a variation on the one-time pad. A onetime pad hadletters and numbers randomly printed in fivecharacter groups. Only twocopies of each pad were made: one for the sender and one for therecipient of the signals. Each sheet of the pad was used for one message,then torn off and destroyed. Because each sheet was used only once thecode could not be broken. A book code used the pages of a printed bookin the same way, except that the sheets were not necessarily destroyedafter use.
Bogge was coming to find him.
Vandam stared at him. He was white-faced, and angry to the point of
hysteria. He came stomping across the dusty sand, a sheet of paper in his hand.
Vandam. thought: What the devil has got into him?
Bogge shouted: "What do you do all day, anyway?"
Vandam said nothing. Bogge handed him the sheet of paper. Vandam. looked at it.
It was a coded radio signal, with the decrypt written between the lines of
code. It was timed at midnight on June 3. The sender used the call sign
Sphinx. The message, after the usual preliminaries about signal strength,
bore the heading OPERATION ABERDEEN.
The audio file is contained message to Cairo spy.
The exact position is in the message, about 500 meters from the location on the map.
Author: Maurier, Daphne du (1907-1989).
Publishing house: Warszawa : "Iskry", 1958.
Based on "The Key to Rebecca" Ken Follett