Walton, Bernard <br/><br/>
Time Machines :   Witness the dramatic changes to our world since its birth 
/  Bernard Walton 
 - London  :  B.B.C.Books,  2004 
 - 168 p. 
<br/><br/> includes index 
<br/><br/>1.	Time<br/>2.	Earth<br/>3.	Life<br/>4.	Humans<br/> 
<br/><br/><label>ISBN: </label>9780563487746 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth sciences -- Popular works. Historical geology -- Popular works. Life (Biology) -- Popular works.
<br/><br/><label>Dewey Class. No.: </label>550  / W238