Tobira gateway to advanced Japanese : learning through content and multimedia
Mayumi Oka (2009)
An Advanced level course in Japanese which offers rich content and variety through multimedia support materials.
This course is aimed at students who have already completed at least 250 hours of Japanese study and are looking to perfect grammar, widen vocabulary, improve kanji and conversation skills as well as deepen their understanding of Japanese history and culture.
It's divided into 15 chapters all of which offer audio and video learning materials via their website: