Hackers Vocabulary: Root Words is a vocabulary book for students at a CEFR level of A2 to B2. This book includes vocabulary words that are classified by their root words. The book also provides supplementary information for each word, such as other word forms and related expressions.

Key Features:

∙ Vocabulary words categorized by their root words

∙ High-quality example sentences for each vocabulary word

∙ Study plans for students with different learning styles

∙ A workbook that includes three types of vocabulary review tests to ensure effective memorization

∙ Lists of commonly confused words and words with multiple meanings

∙ A handbook that includes all of the vocabulary words in the main book

∙ Access to additional study materials online

Hackers Language Research Institute publishes a wide range of books for students preparing for standardized English tests such as TOEIC, TOEFL, and IELTS. Its publications are consistently at the top of Korean bookstores’ best-seller lists.