The Amazing Adventures of Batbird: Band 11/Lime (Collins Big Cat)

Dunkan Dabble won't answer to his name as he believes he's Batbird, a superhero that he and his friends watch on TV. Dunkan's family and friends find him very difficult to live with as Batbird. He plays too roughly and insists on sleeping upside down. But Dunkan becomes a hero overnight by unwttingly saving his family from a prowling fox.