Pattis, Richard E. <br/><br/>
Karel the robot :  a gentle introduction to the art of programming with Pascal / 
Richard E. Pattis. 
 - New York, NY. :  John Wiley & Sons,  c1981. 
 - xiv, 106 p. ;  23 cm. 
<br/><br/> Includes indexes. 
<br/><br/><label>ISBN: </label>0471089281 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer programming.