By: Smith, Laurence Dwight
W. W. Norton & Company: 1943
Seller ID: 30222
Condition: Very Good- with no Dust Jacket
Table of contents: secret weapon #one; the history of secret writing; transposition ciphers; substitution ciphers; codes compared with ciphers; cryptanalysis; problems; solutions; and appendices and index. All corners have been "reinforced" with pasted-on brown Kraft paper, reminding me of those old picture corners from the photograph album. The spine appears to have been lacquered with call letters at upper edge. There are no other indications of having been in any library. The cover of the now missing DJ was cut out and lays beside the title page. Behind the contents page is the prin... View More...