Pattis, Richard E <br/><br/>
Karel the robot :  a gentle introduction to the art of programming / 
Richard E. Pattis. 
 - 2nd ed. / revision by Jim Roberts, Mark Stehlik 
 - New York :  Wiley,  c1995. 
 - xiii, 160 p. : ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic digital computers--Programming