There are 99 pages total. This book is a PDF and It covers A TON of commonly used Korean grammar - 30+ different grammar lessons are included in this book. There are also 40+ interesting exercises & practices (reading practices, fill in the blank, translation practice, multiple choice, and more) for all of the grammar in it, as well as answer sheets to go along with the practices. This is a great for Intermediate learners (low to upper) or beginners who feel they are ready to move up to the next level.