Visang Korean, You use right after learning

This book is designed for international students who want to learn and use Korean as a foreign language right away!
The questions, directive sentences, the meaning of vocabulary, and the explanation of grammar are written in 'English',
so international students can study Korean language by themselves without a teacher.
Visang Korean eTextbook is included textbook and workbook!
(You can download MP3 file for free)
*Total 20 Units
*1 Unit consists of idioms, grammars, reading, writing parts
*You can learn Korean with expressions and various essays.
*Workbook included to exercise grammars
*MP3 File download for free
*Topic of Units are about Culture and Society of Korea
*If you finish this book, You can try to do TOPIK for Korean language certificate.
If you are looking for a book to study by yourself without a teacher, this book is suitable for you, because this book has a kind explanation written by Kim-Misook who is a professional teacher with more than 20 years of teaching experience.