special start-of-the-season-offer dependance in Hilversum new website for the Korean Institute for Martial Arts the muyedobotongji master class cycle masterclass jangbong (korean long staff) open lecture at Leiden University masterclass classic korean sword dr. Choi's new book released lecture on the history of korean martial arts new book from Master Choi 19th National University Sibpalki Contest Martial Arts Summer School 2006