'COOL TOPIK I Comprehensive Book' reflects the subject areas frequently used in actual exams in practice problems and mock exams, and provides vocabulary and grammar information that frequently appear in TOPIK, making it an effective study guide for exam preparation.

- Explanations and examples of essential grammar and vocabulary that fit snugly in your head
In "Into the Head," the vocabulary and expressions you need to know to solve the corresponding type of problem are presented in an easy-to-understand manner through pictures and tables.
It is good to remember the vocabulary and expressions presented in “Into the Head.”

- Detailed analysis of the listening and reading sections using the "Type Learning" strategy! A variety of practice questions!
In the "Type Learning" section, we provide a training course that allows learners to become familiar with the problem types by selecting past exam questions that clearly reveal the characteristics of the problem types, suggesting strategies for the types, and presenting practice problems in a format similar to the past exam questions.

- Prepare for the exam with mock exams by subject and actual mock exams!
The mock exams by subject and the actual mock exam questions are presented in a format similar to the actual exam, and in particular, the actual mock exam has a listening file speed and test structure similar to the actual exam, so you can prepare and practice in advance before the exam.