<https://niibsbookstore.com/product/new-concept-chinese-english-edition-interactive-multimedia-1/#product>
<http://schema.org/description>
"Medium: Rich Media\r\n \tISBN: 9787900791153\r\n \tAnnotation Language: English\r\n \tTarget Audience (Age): College, Adults\r\n \tTarget Audience (Language): Elementary"
<https://niibsbookstore.com/product/new-concept-chinese-english-edition-interactive-multimedia-1/>