Interessant vídeo de tv3

http://www.ccma.cat/tv3/alacarta/programa/Book-trailers-per-nous-llibres/video/4275391/

Cerca al google:

https://www.google.es/search?q=booktrailers+per+alumnes+de+prim%C3%A0ria&oq=boo&aqs=chrome.0.69i59j0j69i59j69i65j69i60j69i57.2726j0j4&sourceid=chrome&ie=UTF-8#q=booktrailers+per+alumnes+de+prim%C3%A0ria&tbm=vid