00871cam a2200241 4500 297905712 TxAuBib 20170101120000.0 850102s1985||||||||||||||||||||||||eng|u 84029935 9780807512357 $9.25 0807512354 $9.25 DLC DLC DLC TxAuBib Albert, Burton. Code busters / Burton Albert, Jr. ; illustrated by Jerry Warshaw. Niles, Ill. : A. Whitman & Co., 1985. 32 p. : col. ill. ; 24 cm. Presents an illustrated explanation of twenty-five codes that can be used to send secret messages. 20170101. Ciphers Juvenile literature. Ciphers. Warshaw, Jerry, ill.