Blyton, Enid,  <br/><br/>
The mystery of the hidden house /  
Enid Blyton 
 - London :    Dean,   2015. 
 - 248 pages ;.   18 cm. 
 - Mystery series,  .
<br/><br/> Where could Mr Goon's nephew have disappeared to? Mr Goon has forbidden the Five Find-Outers from solving mysteries - so they decide to make one up for his nephew, Ern! But what will happen when Ern disappears, and their pretend mystery turns into a real one? 
<br/><br/><label>ISBN: </label>9780603567032 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's stories--Fiction
<br/><br/><label>Dewey Class. No.: </label>823.912 BLYT