Working title was “The Lies of Alam Halfa” in February 1978
Was called "Key to Rebecca" in July 1979. First draft written in November 1979 with that title.
Published in 1980 by William Morrow, New York.
Published in French as Le code Rebecca by Robert Laffont
Published in German as Der Schlüssel zu Rebecca by Lübbe
Published in Italian as Il Codice Rebecca by Mondadori