Albert, Burton. <br/><br/>
Code busters! /  [electronic resource]  
Burton Albert, Jr. ; illustrated by Jerry Warshaw. 
 - Niles, Ill. :  A. Whitman & Co.,  1985. 
 - 32 p. :  col. ill. ;  24 cm. 
<br/><br/> Presents an illustrated explanation of twenty-five codes that can be used to send secret messages. 
<br/><br/><label>ISBN: </label>0807512354 :  $9.25 9780807512357 
<br/><br/><label>LCCN: </label>84029935  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciphers--Juvenile literature.<br/>Ciphers.
<br/><br/><label>LC Class. No.: </label>Z103.3  / .A52 1985 
<br/><br/><label>Dewey Class. No.: </label>001.54/36