"Allan Ahlberg" <br/><br/>
Mr Cosmo, the conjuror 

 -  Harmondsworth, Middlesex ; Puffin Books/Kestrel Books, 1980.  1980 
 - 12 
<br/><br/><label>ISBN: </label>9780140312379 
<br/><br/><label>Dewey Class. No.: </label>F823  / 1144