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. Additionally, translations of our books have been published by Hackers Academia, Hackers语言研究所, and ハッカーズ語学研究所
in China, Japan, Vietnam, and other countries. We have earned the trust and support of learners in these regions as well.

• TOEFL Best Seller
  (24 consecutive years) Aladdin Bookstore's best-seller lists
  (2002-2025)
• TOEIC Best Seller
  (21 consecutive years) Kyobo Book Centre's best-seller lists
  (2005-2025)
• Largest Number of TOEIC/TOEFL
  Best Sellers Kyobo Book Centre's best-seller lists
  (2025)
• TOP 20 TOEFL
  Best Sellers Aladdin Bookstore's best-seller lists
• Top TOEIC Test Prep Book
  Publisher Publisher rankings of Aladdin Bookstore
  (January 2023)
• Top TOEIC Publisher Publisher rankings of Aladdin
  Bookstore (January 2022)
• Chinese Best-Seller
  (6 Consecutive Years) Aladdin Bookstore's best-seller lists
  (2015-2020)