Is it possible to exchange and return?
"If you request to exchange/return on Sign in>My Account, it will be processed quickly.
In the case of the problems such as missing pages, flawed books, bad printing or rapping and shipping process problem, Hangeul Park bookstore will pay every fee for the return and delivery.
However, please note that you cannot return or exchange the books if you don't request within the first 7 days of purchase.
The return address : (03789) Hangeul Park book store, third floor, Sinchon-ro 75, Seodaemun-gu, Seoul "