PC learning labs teaches Word 6.0 for Windows :  logical operations. 

 - Emeryville, Calif. :  Ziff-Davis,  c1993. 
 - 389 p. :  ill. ;  24 cm. +  + 1 computer disk. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>1562761390