Hackers Language Research Institute has published over 360 titles, ranging from TOEIC, TOEFL, and IELTS test-prep materials to general English, Chinese, and Japanese language-learning books. Our publications consistently top the best-seller lists of major Korean bookstores. Hackers TOEIC Reading was the first book in the English-education category to be the overall best seller of the year at Kyobo Book Centre.