Four more stories about a bestselling character - over 500,000 audio copies of Horrid Henry have been sold in various formats. "Possibly the best audio series for kids, with the perfect pairing of content and reader,an essential purchase for parents"Four more stories about a bestselling character - over 500,000 audio copies of Horrid Henry have been sold in various formats. "Possibly the best audio series for kids, with the perfect pairing of content and reader,an essential purchase for parents"