Bosu Book Street (http://www.bosubook.com/) came into being in the 1960s and 1970s. It’s one of the best places in Korea to get books, featuring roughly 70 stores selling new and used titles. During the period, everyone from refugees to poor students and intellectuals sold their precious books and bought new ones at cheap prices here.
Used books are priced differently based on their condition, though most cost between 1,000 won (about $1) and 2,000 won.
You can also get new books at discount of up to 30 percent. This area holds the Bosu Book Street Festival once a year to encourage the exchange of books.
How to get there : Subway line No. 1, Nampo-dong Station, exit No. 1 or Jagalchi Station, exit No. 5 or 7 and walk 15 minutes.