1) Martial arts manual 
The Muyejebo (`compendium of several martial arts`) is the oldest extant Korean martial arts manual, written during the reign of King Seonjo (d. 1608). The king died before the compendium was complete, and it was first published, with the addition of material from Japanese martial arts, in 1610. ==History== As the Imjin war dragged on for years,.....