Blyton , Enid  <br/><br/>
The secret seven : mystery of the theatre ghost  

 - Holder :   London ;  2019. 
 - 184 p ; 21 cm .  01 
 - 2025-05-22 
<br/><br/><label>ISBN: </label>9781444952810 
<br/><br/><label>Nat. Bib. No.: </label>0011223 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>BLY 
<br/><br/><label>Universal Decimal Class. No.: </label>823