McMullin, Troy, <br/><br/>
Secret world of lichens / 
Troy McMullin. 
 - 48 pages :  illustrations (colour) ;  21 cm. 
 - A young naturalist's guide .
 - Young naturalist's guide. .
<br/><br/> Beginner young naturalist's full colour guide to the wonderful world of lichens, what they are, how they look and what they do in the natural environment. 
<br/><br/><label>ISBN: </label>9780228103981 (pbk.) :  £7.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lichens--Juvenile literature.<br/>Non-Fiction 9+.<br/>Nature, Earth and Environment.