Walton, Bernard. <br/><br/>
Time machine  witness the dramatic changes to our world since its birth /  [Book] : 
Bernard Walton. 
 - London :  BBC Books,  2004. 
 - 168 p. :  col. ill. 
<br/><br/> Includes index. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>0563487747 
<br/><br/><label>Dewey Class. No.: </label>550.9