Macdonald, Alan <br/><br/>
Dirty bertie dinosaur! 
David Roberts, Alan Macdonald 
 - London:  Spripes Publishing  2013 
 - 95 Pages  Illustrations  19.5 cm 
<br/><br/> three wickedly funny stories featuring the world's grubbiest trouble magnet! 
<br/><br/><label>ISBN: </label>978 1 84715 374 6 
<br/><br/><label>Dewey Class. No.: </label>EJF ALAN