Originally published in New York by Holt, Rinehart and Winston, 1963.
"synopsis" may belong to another edition of this title.
Twelve-year-old Alvin and his best friend Shoie use their knowledge of codes and ciphers to solve a dangerous mystery.
"About this title" may belong to another edition of this title.
£ 22.95 shipping from U.S.A. to United Kingdom
Destination, rates & speedsSeller: Betty Mittendorf /Tiffany Power BKSLINEN, Ralston, NE, U.S.A.
Soft cover. Condition: Fair. No Jacket. Reprint. Color illustration on cover. 160 pages. Chapter book. Pages yellowed due to paper content. Crease marks in covers. Some shelf wear. Seller Inventory # 143023B
Quantity: 1 available
Seller: Wonder Book, Frederick, MD, U.S.A.
Condition: Good. Good condition. A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. Seller Inventory # H17A-02441
Quantity: 1 available