How is it done? / 
At head of title:  Reader's Digest 
Reader's Digest. 
 - 448 pages :  collours illustrations ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780864381224  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology--History.<br/>Technology.