Sebag-Montefiore, Hugh, — ENIGMA - The Battle for the Code.
Phoenix, London, 2001, 7th imp., trade paperback, xvi, 491pp, 16pp half tone photo ills., coloured pictorial montage upper wrapper, a new examination of all the component contributions which went into the cracking of the German Naval Enigma code, in particular the contrbutions by the capture of shuips and U-boats, their codebooks and the betrayal of his homeland by an old-fashioned traitor, a little rubbed at extrems., slight roll to spine with numerous light vertical creases, edges tanned, good plus,