Thompson, Lisa,  1969- <br/><br/>
Şifrelerin sırrı / 
by Lisa Thompson. 
 - Istanbul :  Literatür Çocuk,  2009. 
 - 32 p. :  col. ill ;  21 cm. 
 - Beyin Fırtınası. .
 - Beyin Fırtınası. .
<br/><br/> Provides information about different types of codes, and looks at how some of them have been used throughout history. 
<br/><br/><label>ISBN: </label>9789750404948 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cryptography--History.<br/>Fraud.
<br/><br/><label>Dewey Class. No.: </label>652/.8