These type of books and resources have an audio for the text. Research has shown that audio books are more engaging and helpful for struggling or reluctant readers. Audio books have also shown to develop listening skills and concentration, while also helping with the pronunciation. Audio books are particularly beneficial for children with dyslexia, blind children, children with attention deficit disorder, and children with English as a second language. Moreover, there has been evidence that students who listen to audio versions of text often achieve higher test scores.