I received this book when I was back from Vietnam. I bought this book from bookdepository.com , it took two months time to deliver to me. Wow... I thought it lost in delivery. When I look into this book, I felt that I was back to school time. Although I have been study for so many years, even completed my MBA study, I still lack of confidence in writing in English. I wonder how I got through my exams. Learning is endless. We learn in our whole life. As I always tell my student, we need to have input and output in our learning curve. It must be two way "communication". I mean that, what we read (input), must be share (output) by either writing or speak out, else, we won't learn anything. When we write or speak out, we are transforming the wording what we have read into knowledge. I like this book so much. It is simple to understand. Unlike other grammar books that always confuse me or make me sick. This book is good for those who what to have a quick revision on grammar. S...