"NA" <br/><br/>
Sonic -- The  Hedgehog -- The  Invisible  Robotnik 

 - England  ,Ladybird Books Ltd  1990 
 - 66 
<br/><br/><label>ISBN: </label>0-7214-1739-6 
<br/><br/><label>Dewey Class. No.: </label>F823  / 1103834