MacDonald, Alan,  1958- <br/><br/>
Trolls united! / 
by Alan MacDonald ; illustrations by Mark Beech. 
 - London :  Bloomsbury,  2006, c2007. 
 - 124 p.:  ill.;  20 cm. 
 - Troll trouble .
<br/><br/><label>ISBN: </label>9780747584711