There are 14 basic consonants and 10 basic vowels in Korean Hangul.With these basic vowels and consonants, 5 additional double consonants and 11 additional vowels can be created. Knowing Korean alphabets and their sound is a very important step in learning Korean because you will apply these alphabets to your reading, writing, speaking and listening. Hangul helps you speak the sounds and recognize sounds when you listen. This book has comprehensive explanations of Hangul system and practice workbook section. The workbook section includes learning vowels, consonants and final consonants, constructing syllables, reading, writing Korean vocabulary, recognizing sound difference and pronunciation of words. This book will help you to learn Hangul and build basic foundation in learning Korean. Read Less