Threads of Time (Korean: 살례탑; RR: Sal Le Top) is a South Korean manhwa series written and illustrated by Mi-young Noh. It was serialized in Daewon C.I.'s Junior Champ magazine from 1999 to 2003, with its individual chapters collected into eleven volumes. It follows a modern high school student who is sent back in time to the era of the Mongol invasions of Korea. Source: Wikipedia (en)