Blyton, Enid. <br/><br/>
The Secret Seven and the tree house adventure. 
Illustrated by Tom Dunnington. 
 - American ed.,  rev. and edited by M. Hughes Miller. 
 - Chicago,  Childrens Press  [1972] 
 - 121 p.  illus.  21 cm. 
 - Her Secret Seven adventures .
<br/><br/> First published in 1951 under title: Well done Secret Seven. 
<br/><br/> When a mistreated boy takes refuge in their tree house, the Secret Seven are determined to find out who he is hiding from. 
<br/><br/><label>ISBN: </label>0516014579 9780516014579 
<br/><br/><label>LCCN: </label>70185498  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mystery and detective stories.
<br/><br/><label>LC Class. No.: </label>PZ7.B629  / Sft 
<br/><br/><label>Dewey Class. No.: </label>[Fic]