Coldwell, John  <br/><br/>
Bertha's secret battle / 
John, Coldwell 
 - New Jersey:  Dingles & company;  2008. 
 - 32 Pages;  Colour illustrations,  20 cm. 
<br/><br/> children 
<br/><br/><label>ISBN: </label>9781596468733 (paperback) 
<br/><br/><label>Dewey Class. No.: </label>