Matthews, Marty <br/><br/>
Windows 8.1 for seniors / 
Marty Matthews 
 - New York :  McGraw-Hill,  2014 
 - xii, 258 p. :  ill. ;  20 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780071832588 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operating systems (Computers)<br/>Computers and older people