Walton, Bernard, <br/><br/>
Time machine / 
Bernard Walton. 
 - 168 pages :   illustrations (chiefly color) ;  29 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0563487747   RM95.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences<br/>Earth (Planet)<br/>Time
<br/><br/><label>Dewey Class. No.: </label>550.22