ISBN 10: 020717718X ISBN 13: 9780207177187 Publisher: Angus & Robertson, 1992 Softcover
Seller: Willis Monie-Books, ABAA, Cooperstown, NY, U.S.A.
(5-star seller) Seller rating 5 out of 5 stars
Softcover. Condition: Very Good. Second Printing. Codes for kids: "How to make code and cipher machines to outfox your enemies". ; 48 pages. Seller Inventory # 364963
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Quantity: 1 available
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