First time I got 1500 words chem book when I opened this book, I extremely surprised because I didn't know how to learn English in this book and that time I certainly others people like me. Then I had checked on Facebook exactly is LEARN HACK BRAIN 1500 WORDS BOOK. In there, they touch me how to learn English effectively and showed me some hints on how to deep remember, how to speak right pronounce and how to write some long stories. They asked me that what do you need to learn, such as only speak English or wanna learn 4 skills. If you need to learn only speaking skill, you should find a partner and both of you have to interact day by day and if you want to learn 4 skills, you need to spend a lot of time to learn English because it is not easy. You have a lot of new words you don't know before and additional words will lose many your time. After hearing that I agree with them about some hints and then I decision register a lass to approve my English skill and make some new friends. I always bring a brochure beside me to notice the new words I don't know.