Pratchett, Terry. <br/><br/>
Only you can save mankind / 
by Terry Pratchett. 
 - Berkshire :  Corgi Books,  1993. 
 - 171 p. : ;  18 cm. 
<br/><br/><label>ISBN: </label>0552139262 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science fiction.